Mega Powerful Nitrate and Phosphate Remover - DIY!

Re: Mega Powerful Nitrate and Phosphate Remover - DIY!

Postby johnrt » Sun Mar 27, 2011 11:26 am

What a nice unit!

The 'inverted 'U' shaped screen holder would be easy and cheap to injection mold. What size is the screen and wattage of the bulb? I hope this goes into production.

A real barrier to mass production of scrubbers still seems to be the screen. Manually producing a 'cactus rough' surface on one og those screen is time consuming, hard work. There must be a better material.

John T
johnrt
 
Posts: 83
Joined: Wed Jul 07, 2010 9:28 am
Location: Ottawa, ON, Canada

Re: Mega Powerful Nitrate and Phosphate Remover - DIY!

Postby SantaMonica » Sun Mar 27, 2011 12:33 pm

Screen is about 4 X 6. Bulb is 27 watts.

Yes if it were made in quanity, even the screen could be made easily. For now it will be hand made so as to be able to incorporate improvements easily.
888-CORAL-REEF
Nutrient Removal Discussion: AlgaeScrubber.net
User avatar
SantaMonica
Supporter
 
Posts: 300
Joined: Sat Jan 03, 2009 3:04 am
Location: Santa Monica, CA, USA
State/Region: California
Country: USA

Re: Mega Powerful Nitrate and Phosphate Remover - DIY!

Postby jolson » Mon Mar 28, 2011 9:35 am

just a couple of questions based on some of the information that I found on your site I have to admit that I am some what confused about some of the guidelines. but before that I do want to say that I am a believer in the consept of an ATS

Scrubber Quick Guideline:

0.5 actual (not equivalent) fluorescent watts per gallon MINIMUM [0.13 watts per liter].
1.0 actual (not equivalent) fluorescent watts per gallon for HIGH filtering [0.26 watts per liter].
1.0 square inches of screen per gallon, with bulbs on BOTH sides (10 x 10 = 100 square inches = 100 gal)
[1.64 square cm per liter]
2.0 square inches of screen per gallon, if vertical but lit on just ONE side. [3.28 square cm per liter]
4.0 square inches of screen per gallon, if HORIZONTAL [6.56 square cm per liter].
1.5 actual (not equivalent) fluorescent watts per gallon if HORIZONTAL [0.4 watts per liter].

1. you say use actual not equivalent wattage when building so if a 23 watt curly flor bulb is suppose to be equivalent to 65 watts of light why do you have to use the actual (23)wattage, you might as well use regular flourescent bulbs, you would not get any cost savings by using the compact fluorescent bulbs. and isnt that the whole purpose of the compact bulbs they produce more usable light for less cost in electricity and wouldnt this also be true T-8 and T-5 bulbs for the same reason
2. why does it matter if the system is set up horizontal or vertical as far as gal of water is conerned as long as the light covering the screen is equally spread across it
3. finally I have noticed that many of the systems are set up with the lights enclosed in acrylic boxes of some kind, doesnt that reduse the usable light that hit the screen

hope that you can explain this to me, I havent found the answers anywhere and thanks for doing this post it is very interesting
jolson
 
Posts: 252
Joined: Mon Sep 14, 2009 2:17 pm

Re: Mega Powerful Nitrate and Phosphate Remover - DIY!

Postby SantaMonica » Mon Mar 28, 2011 12:05 pm

1. Any fluorescent bulb operates by real watts, not equivalent.

2. Horizontal flow gets blocked by growth; therefore it needs a larger size to compensate.

3. No, it allows water to pool at the bottom and create "3D" flow, which is the most powerful type of filtering because light and flow can reach all parts of the algae.
888-CORAL-REEF
Nutrient Removal Discussion: AlgaeScrubber.net
User avatar
SantaMonica
Supporter
 
Posts: 300
Joined: Sat Jan 03, 2009 3:04 am
Location: Santa Monica, CA, USA
State/Region: California
Country: USA

Re: Mega Powerful Nitrate and Phosphate Remover - DIY!

Postby jolson » Mon Mar 28, 2011 12:20 pm

Thanks that helps, has anyone ever used LEDs, as you might be able to tell, I am trying to do this as the least cost possible since lighting the ATS can be a sugnificant expense for larger systems
jolson
 
Posts: 252
Joined: Mon Sep 14, 2009 2:17 pm

Re: Mega Powerful Nitrate and Phosphate Remover - DIY!

Postby SantaMonica » Mon Mar 28, 2011 3:36 pm

LED's do not work at all.

The best use of electricity is T5HO's... the light is spread evenly across the screen, and bulbs are cheap.
888-CORAL-REEF
Nutrient Removal Discussion: AlgaeScrubber.net
User avatar
SantaMonica
Supporter
 
Posts: 300
Joined: Sat Jan 03, 2009 3:04 am
Location: Santa Monica, CA, USA
State/Region: California
Country: USA

Re: Mega Powerful Nitrate and Phosphate Remover - DIY!

Postby SantaMonica » Fri Apr 22, 2011 2:11 pm

Here is a video of what Dr. Walter Adey (inventor of the scrubber) was doing 20 years ago, in addition to working on scrubbers:

http://vsx.onstreammedia.com/vsx/pbssaf ... 0&preview=
888-CORAL-REEF
Nutrient Removal Discussion: AlgaeScrubber.net
User avatar
SantaMonica
Supporter
 
Posts: 300
Joined: Sat Jan 03, 2009 3:04 am
Location: Santa Monica, CA, USA
State/Region: California
Country: USA

Re: Mega Powerful Nitrate and Phosphate Remover - DIY!

Postby SantaMonica » Fri May 06, 2011 11:23 pm

Successes:

Calvin415 on the scrubber site: "I think the results are outstanding, by far the cleanest tank I've ever had with the least amount of maintenance. I clean the scrubber once a week, skimmer once every two weeks, and clean the film off the glass once a week... I don't hold back on feed, I feed frozen, pellets, arctic pods and phytofeast all the time!"

Srusso on the RC site: "My last harvest was my heaviest yet! I am not weighing my harvest yet but man when your scrapping over an inch thick layer of algae off your screen you feel like you can truly feed your tank any mount of food!! I actually tell other people its "ok" to feed the fish! I should have made it clear that this is two total inches. Once on each side of my screen."

Eums on the RC site: "Tank PH is rock solid stable at 8.41-8.44 PH (with the skimmer it would swing 0.15). Only need to clean the front glass every week or two. Nuance algae is gone (got a frag with GHA and the GHA died off). Cleanup crew is small (2 turbo,7 astraea, 4 certh, 5 margarita, 5 trochus, 1 Nassarius). Dont need to worry about over feeding, has no impact to the tank other than more food for the micro fauna. Increased micro fauna (tons of red feather dusters, pods, etc). Happy fat fish from all the food available, water clarity improved (tint gone, no longer running carbon)"

Maglofster on the RC site: "So far I am amazed! Almost no algae in the DT since startup, and I have been flooding the tank with food. For example, today: 6 cubes Supershrimp, 2 cubes Formula2 and 2 cubes Lobster eggs. Without the scrubber I'm sure there would have been lots. Also I only have Riffkeramik (from Korallenwelt) which is supposed to give lots of algae (during startup) due to it's content of silcates, almost none of that either. So to summarize.. I'm a happy camper!"

King_richard on the RC site: "My little update on the scrubber. For the first two weeks of my redone scrubber I was rinsing the screen and occasionally scraping it every 3 days or so since the black stuff was covering it rather quickly in areas. It's about time for another cleaning of it either today or tomorrow but I did a water change the other day and tested only for nitrates which are now pretty much 0, I can't see any color difference and the natural seawater that I use has the same reading of 0. So within the two weeks of my rebuilt scrubber, my nitrates have dropped from the almost 5ppm to 0ppm. Also, in the older thread, I was the one who had the nasty case of green water, well our water is now crystal clear and my standards for calling it crystal clear are rather high, lol. The only things in the water column are food that we feed and live food from the dsb and scrubber that make it into the display tank. It's clear enough that you don't see the light rays penetrating through the water if that makes sense."

Acts4me on the RC site: "WOW is all I can say! I have had my scrubber running since [2 months earlier]. I posted pics of the algae farm I had going on. I have cleaned my scrubber twice and almost all of the algae is gone from my display tank. I thought it would take much longer. I still have a few patches but the bulk is gone. I am going to build scrubbers for the rest of my tanks starting tomorrow. The ATS is the single best addition to my tank I have done as far as equipment goes."

Fragfarmer on the scrubber site: "this is really helping my tank a lot!! I've been plagued with slimey green cyano in my tank for months. It's disappearing. Getting thinner and lighter shade of green every day. I'm so happy to see coraline growing on my glass again, instead of green slime. Thank you!! I can't completely express my gratitude from behind this keyboard."

Harry_y on the RC site: I made mine [scrubber] out of a storage bin. The nice thing is my tank is doing better now than it ever has, I feed heavier and I'm not skimming out the food that the corals want"

Slow_leak on the RC site: "I have run ATS since September following these guidelines. SPS have grown and people in local club have commented that SPS are growing out nicely. I have a continuous diatom problem before the ATS and that was gone in two weeks. Only trace valonia remains. SPS are easy this way. Soft corals have not flourished as well in this lower nutrient system, but that is not my goal. Unfortunately I had one fish that never reacted well to captivity die after year. The ATS handled it very well. It is a very very forgiving system that most people run with an old set up or incorrectly maintained. I haven't had any [coral] bleaching since I started and will keep it long term."

Fragglerocks on the RC site: "starting levels: Nitrate was around 30, P04 was a whopping 2.21 YIKES! after a month and half with the scrubber: Nitrate: ZERO!!! P04: 0.11 and still steadily dropping! Tested with Hanna meter. My feeding schedule - I feed 2 frozen cubes a day of assorted store bought foods, i try to mix it up a little, but the equivalent is 2 cubes per day. I also feed a pinch of flakes once a day and dose 2 cap-fulls of DT Phyto once a week. I have no protein skimmer anymore, I sold my Tunze months ago. I no longer run phosgaurd since adding the scrubber. The only thing I do is a 2 part dose weekly, Iodine every once in a while, and I run carbon in the sump. I don't do water changes anymore, just top-offs. and with all this feeding the fish are fat, corals healthy and growing (mix of SPS, LPS, and softies...), and macro in the DT has been dwindling since adding the scrubber. Actually, the reason I wanted to add the scrubber to begin with was the overgrowing macro in the DT. I wanted a natural and gradual way to get rid of it without the use of chemicals, and this has worked wonderfully. Just make sure to clean the screen weekly. I just wanted to add that the day I learned about algae scrubbers was one of the best days in my saltwater journey, thank you Chris! The scrubber has put an end to one of my biggest concerns with my tank, and a great side-effect is that it oxygenates the water and all the corals/fish are extremely well fed and thriving. all of my sps are super happy now and the growth is exponentially faster than when I diddnt have the scrubber and only ran the skimmer. In fact, I had a tri-color colony about 6 inches x 7 inches that had been slowly STN'ing for over 6 months, 3 weeks after I added the scrubber it started coloring up again, stopped stn'ing, and has been showing signs of new growth. I encourage you to set up a small experimental tank. get a biocube or aquapod and fill it with your choice of sps, good lighting, and sufficient flow. Add a scrubber and let us know what happens".

Bguile on the RC site: "I think I'll go ahead and chime in on this one since I've been running skimmerless on my 210g since [7 months earlier] and setup a new 40g that has basically been only ATS since it was built [3 months ago]. I haven't done a water change since it's been running, water parameters stay unusually stable and my ammonia, nitrates, and phospates are all or very very close to 0. In fact, I started overfeeding the system when it only had inverts in it to start the algae growth on the ATS. I had NEVER fed so much to a tank filled with fish for fear of algae and cyano. Back [7 months ago] I decided to try going skimmerless on my [other tank] 210, after I wasn't getting the success I thought I should with it. I immediately noticed that the small corals I did have began opening and growing like gangbusters. However, I wasn't keeping up with water changes as I should have been and algae and cyano went crazy too. Just as I decided to build a smaller reef tank and make the 210 a FOWLR, I happened upon ATS' looking for nitrate reducing solutions. So after I tested the ATS on my 40g. I'm in the process of redesigning it to an enclosed unit, but it's maintaining the system the way it is. To really clean up the sand I need to add approx another 100W of light [to the scrubber] but since it's becoming a FOWLR, I haven't put much urgency on it. In closing, I must admit I'm VERY excited about the results that ATS's have shown me and that my limitations (read, money) have now been removed for me to run as many specialized tanks as I would like without the need to purchase an expensive skimmer. Oh...I wanted to add that I NEVER had any of the diatoms that usually shows up in new tanks using the ATS. Since it's been installed, I've only run into one problem when I started seeing a hairy type algae poking out of my sand. I found out I was choking off my return flow by not removing the included mechanical filter on my Eheim. Once I removed that within days the algae was gone and I once again have clean grey/white sand!!"

Nac on the scrubber site: "Nitrate and Phosphate levels are at zero at last test. No water changes ever, and had fish for 6 weeks now. Algae on the live rock, which was growing like crazy, is starting to slowly subside. The growth on the screen is still pretty dark, I'm cleaning it twice a week. I put both lights on one side of the screen, might add wattage."

Dlp40 on the scrubber site: "Well since my last post a few weeks ago I think i have finally gotten my ATS working. I tested the water today and from 20ppm nitrate to 0.00ppm and po4 of over .2 down to unmeasureable. Not to say i haven't had my snags in the 2 months I have been using it, but it's well worth the trouble. I mean I havent done a water change in 2 months, this has already paid for the ATS twice. another testimit on how much i like this DIY filter is, even when i had the wrong screen and lights on it, my algea from the tank disapeared. I had a few rocks completly covered with hair algae and it disapeared in less then one month."

Maxhtic on the UR site: "No need to spend your cash for all these unecessary "media"... my oppinion and personal experience. Alga Turf Scrubber mate... and you will NEVER spend any more money on filtration, saving extra cash every month for livestock. Simple as that - give it some chance and you will change your reefing procedures for ever."

Albass15 on the UR site: "build yourself a turf scrubber. I only do a 20 percent water change once a month and my nitrate and phosphate is zero."

Mrbncal on the RC site: When I set this 75 back up 4 years ago I battled with my Euroreef skimmer for 7-8 months. Every couple of weeks it would go into overflow mode for a couple days and flow teh skimmate back into the tank. Things looked horrible every time it would overflow. Just got sick of dealing with it. I unplugged it and let the tank go. Three months with no attention. Almost tore it down. 90 days later when I scrubbed the front glass I was surprised to find that things had gotten better since turning off the skimmer. So i left it like that for about a year and a half. But hair and bubble algae had a serious foothold. I couldnt feed much. Then I read the articles on ATS's and eventually decided to try one. So I built a bucket scrubber and haven't looked back. Is it tank of the month material? No. But my maintenance time is a lot less than those guys also. I still have great growth on corals and most important I enjoy the hobby again. My only source of cal/alk is kalk in the top-off water and I run a bag of chemipure hanging in the sump. I have not changed any water since [6 mo ago] (30 gal). (I had a hot day prior to hooking my chiller up and things got a little soupy, stupid gamble and I lost a few corals). I have been running ats since [14 months ago]. Anemones, tubeworms of all types(cocoworms), photosynth gorgs and LPS as well as green slimer and birdnest, pocillipora have all grown very well. My scrubber is underpowered, I use a MJ1200. So my algae is browner than what it should be. I am using 120 watt equivilent indoor/outdoor CFL bulbs. They have a 3500K rating, which is why they are kind of yellow. I alternate changing the bulbs out. So one bulb is replaced every month and a half (this is apprx, I try to use the bulbs 3to4 months). I have some plans to redo the scrubber but it works so well right now I keep putting the rebuild off. I have a slow drip on the pipe in the pic above, you can see some salt creep everywhere. Another thing that needs redoing. The scrubber gets cleaned at least every 2 weeks, but I really try to clean it every Sunday morning. I get a coffee cup full of algae every time as long as I am feeding regularly. Right now though, the limiting factor on my scrubber is flow. I only have about 3/4 of the flow that my screen size demands according to the guidelines (35gph per inch of screen). Once I replace that with a 350+ GPH pump my algae should green up. I havent checked N&P since it went to 0's or undetectable. Took a sample to the store and they verified my results with their test. So I assume its still there as I dont have any indication it has changed. I have not checked Cal/Alk/PH lately either. The clams are putting on new white growth, the grape and red monti caps are getting big. Acros dont grow as fast as the guys with cal reactors I spose, but they do pretty well."
888-CORAL-REEF
Nutrient Removal Discussion: AlgaeScrubber.net
User avatar
SantaMonica
Supporter
 
Posts: 300
Joined: Sat Jan 03, 2009 3:04 am
Location: Santa Monica, CA, USA
State/Region: California
Country: USA

Re: Mega Powerful Nitrate and Phosphate Remover - DIY!

Postby SantaMonica » Sat May 14, 2011 11:12 pm

Adey is applying for a patent on something you may have seen and read about before..... 3D algal turf screens. Seems like it would have been obvious :) ...
http://www.google.com/patents?id=7atgAQAAEBAJ
888-CORAL-REEF
Nutrient Removal Discussion: AlgaeScrubber.net
User avatar
SantaMonica
Supporter
 
Posts: 300
Joined: Sat Jan 03, 2009 3:04 am
Location: Santa Monica, CA, USA
State/Region: California
Country: USA

Re: Mega Powerful Nitrate and Phosphate Remover - DIY!

Postby SantaMonica » Mon May 23, 2011 2:06 pm

Here is a complete cleaning video (with one hand, and with no sound) of a mature screen from one of the two SM100 scrubbers on my tank. It shows how to clean the acrylic box, the acrylic window, and how to scrape off the turf. About one pound of algae (wet) is removed total, including the algae in the box. Most new screens less than a year old won't have any turf, but this screen is well-grown-in so the turf must be removed every 3 months or so, to give the green hair algae a place to attach to the screen.

Cleaning is done slowly, so you can see all the steps; if I were in a hurry, I could do it all in 5 minutes. Also, the box is full because I let it grow as much as possible (about 2 weeks) to show the 3D growth for the video; you would not normally let it fill up so much:

Shortcuts:

00:30 - 3D close up
03:45 - Turning off pump
06:10 - Removing screen
08:50 - Screen scraping
13:55 - Putting screen back in pipe
15:20 - View the algae in the box
17:35 - Putting pipe back in box
18:40 - Water flow again in clean box
19:00 - Cleaning window with toothbrush
Last edited by Amie on Sun Oct 16, 2011 2:54 am, edited 1 time in total.
Reason: fixed YouTube Link
888-CORAL-REEF
Nutrient Removal Discussion: AlgaeScrubber.net
User avatar
SantaMonica
Supporter
 
Posts: 300
Joined: Sat Jan 03, 2009 3:04 am
Location: Santa Monica, CA, USA
State/Region: California
Country: USA

Re: Mega Powerful Nitrate and Phosphate Remover - DIY!

Postby SantaMonica » Sat Jun 11, 2011 11:02 pm

For those who are using tap water for top-off or water changes:

Tap water sometimes contains copper to kill unwanted things. Algae eats copper, as long as the copper is not added to much, too fast. If the copper is added too much, too fast, it will stop the algae from growing for a while. So to prevent your scrubber from being affected by this, try to make sure you have as much algae on your screen(s) as possible when you add the tap water. In other words, don't clean your screen(s) before you add the tap water.
888-CORAL-REEF
Nutrient Removal Discussion: AlgaeScrubber.net
User avatar
SantaMonica
Supporter
 
Posts: 300
Joined: Sat Jan 03, 2009 3:04 am
Location: Santa Monica, CA, USA
State/Region: California
Country: USA

Re: Mega Powerful Nitrate and Phosphate Remover - DIY!

Postby SantaMonica » Mon Jun 27, 2011 7:07 pm

Three things...

1: Here is a CFL reflector comparision video:


2: Here is a video of roughed-up screen material:


3: Here is a video of an encrusting yellow sponge:


More sponge pics; it came out of nowhere and started growing in low-light areas, especially towards the power head, since it needs lots of flow and food particles:

Image

Image

Image
Last edited by Amie on Sun Oct 16, 2011 3:01 am, edited 4 times in total.
Reason: fixed YouTube Link
888-CORAL-REEF
Nutrient Removal Discussion: AlgaeScrubber.net
User avatar
SantaMonica
Supporter
 
Posts: 300
Joined: Sat Jan 03, 2009 3:04 am
Location: Santa Monica, CA, USA
State/Region: California
Country: USA

Re: Mega Powerful Nitrate and Phosphate Remover - DIY!

Postby SantaMonica » Tue Jul 12, 2011 9:43 pm

Here is a video of a regular weekly cleaning of a SM100...
Last edited by Amie on Sun Oct 16, 2011 2:51 am, edited 1 time in total.
Reason: fixed YouTube Link
888-CORAL-REEF
Nutrient Removal Discussion: AlgaeScrubber.net
User avatar
SantaMonica
Supporter
 
Posts: 300
Joined: Sat Jan 03, 2009 3:04 am
Location: Santa Monica, CA, USA
State/Region: California
Country: USA

Re: Mega Powerful Nitrate and Phosphate Remover - DIY!

Postby SantaMonica » Thu Jul 21, 2011 9:51 pm

Here is the best way to get all of the light from a CFL bulb to your screen: Make a reflector all the way around it:
Last edited by Amie on Sun Oct 16, 2011 3:12 am, edited 1 time in total.
Reason: fix youtube links
888-CORAL-REEF
Nutrient Removal Discussion: AlgaeScrubber.net
User avatar
SantaMonica
Supporter
 
Posts: 300
Joined: Sat Jan 03, 2009 3:04 am
Location: Santa Monica, CA, USA
State/Region: California
Country: USA

Re: Mega Powerful Nitrate and Phosphate Remover - DIY!

Postby BaboonScience » Thu Jul 21, 2011 10:13 pm

Thank You for your continued updates.
I have modified your system to provide some evaporative cooling in my greenhouse. Really, it works quite well. Have not followed the nitrates but it grows algae like crazy.
John
"The exact contrary of what is generally believed is often the truth" Jean De La Bruyère (1645-1696)
User avatar
BaboonScience
 
Posts: 3629
Joined: Fri Mar 02, 2007 8:47 pm
Location: High Shoals

Re: Mega Powerful Nitrate and Phosphate Remover - DIY!

Postby SantaMonica » Fri Jul 22, 2011 1:00 pm

Nice :)
888-CORAL-REEF
Nutrient Removal Discussion: AlgaeScrubber.net
User avatar
SantaMonica
Supporter
 
Posts: 300
Joined: Sat Jan 03, 2009 3:04 am
Location: Santa Monica, CA, USA
State/Region: California
Country: USA

Re: Mega Powerful Nitrate and Phosphate Remover - DIY!

Postby Suzy » Fri Jul 22, 2011 11:15 pm

I have used algae for nutrient removal for years. Do you have to add iron frequently?
www.Suzysreef.com
User avatar
Suzy
Read-Only
 
Posts: 2190
Joined: Sun Dec 20, 2009 6:54 pm

Re: Mega Powerful Nitrate and Phosphate Remover - DIY!

Postby SantaMonica » Sat Jul 23, 2011 12:44 pm

If the growth is turning yellow, it means it does not have enough iron. But the better way to fix it is to increase the flow, which delivers more iron and everything else to the algae.
888-CORAL-REEF
Nutrient Removal Discussion: AlgaeScrubber.net
User avatar
SantaMonica
Supporter
 
Posts: 300
Joined: Sat Jan 03, 2009 3:04 am
Location: Santa Monica, CA, USA
State/Region: California
Country: USA

Re: Mega Powerful Nitrate and Phosphate Remover - DIY!

Postby Suzy » Sun Jul 24, 2011 4:07 pm

I have found tricks with my Caulerpa spp. When they begin to sporulate, it is always because they are depleted of a nutrient. Usually, for me,it is iron. Occasionally it is nitrate. But, they turn white!
www.Suzysreef.com
User avatar
Suzy
Read-Only
 
Posts: 2190
Joined: Sun Dec 20, 2009 6:54 pm

Re: Mega Powerful Nitrate and Phosphate Remover - DIY!

Postby SantaMonica » Mon Jul 25, 2011 5:29 pm

LA Fish Guys did a neat little scrubber review...
888-CORAL-REEF
Nutrient Removal Discussion: AlgaeScrubber.net
User avatar
SantaMonica
Supporter
 
Posts: 300
Joined: Sat Jan 03, 2009 3:04 am
Location: Santa Monica, CA, USA
State/Region: California
Country: USA

Re: Mega Powerful Nitrate and Phosphate Remover - DIY!

Postby SantaMonica » Mon Aug 15, 2011 12:34 am

A reminder about lighting:

Stronger lighting is always better, until you start "burning" the algae. Burned algae will be yellow, because it is getting too much light but not enough nutrients from the flow. More light requires more nutrients, which give you more filtering.

So if you have yellow growth, increase the flow so that more nutrient are delivered to the algae. If you can't increase flow, then add some iron. If you can't add iron, then reduce the number of hours the lights are on. Do not reduce the wattage, however; stronger light for less hours is better than weaker light for more hours, because weaker light will grow darker algae. Stronger light grows bright green algae, which does the most filtering.
888-CORAL-REEF
Nutrient Removal Discussion: AlgaeScrubber.net
User avatar
SantaMonica
Supporter
 
Posts: 300
Joined: Sat Jan 03, 2009 3:04 am
Location: Santa Monica, CA, USA
State/Region: California
Country: USA

Re: Mega Powerful Nitrate and Phosphate Remover - DIY!

Postby SantaMonica » Sat Aug 27, 2011 7:22 pm

This is an experimental fix for brown/black growth, and also for extending the life of the bulbs past 3 months:

1. Use bulbs with twice the wattage as recommended; so use 2 real watts per square inch (6.25 sq cm) of screen. Thus a screen 10 X 10 inches = 100 square inches would get 200 total real watts of light instead of 100 watts.

2. Run the lights for half as many hours as recommended; this would be 9 hours instead of 18.

3. Around 3 months, when the growth starts to get darker (because the bulbs are getting weaker), start increasing hours until it grows green again. When you reach 18 hours, it's time for new bulbs.

This does a few things: The first is obvious; you will get longer bulb life as long as you remember to increase the hours when you get to 3 months. But stronger light can also turn black/brown growth into green, no matter how high the nutrients are, if the light is strong enough. The trick is just to not burn the algae; thus the hours have to be less.

When the light is strong (compared to the nutrients), more of the growth is physical algae, and it's also more green (less proteins). When the light is weak (compared to the nutrients), more of the growth is DOC and dark physical growth (more proteins).
888-CORAL-REEF
Nutrient Removal Discussion: AlgaeScrubber.net
User avatar
SantaMonica
Supporter
 
Posts: 300
Joined: Sat Jan 03, 2009 3:04 am
Location: Santa Monica, CA, USA
State/Region: California
Country: USA

Re: Mega Powerful Nitrate and Phosphate Remover - DIY!

Postby Suzy » Sat Aug 27, 2011 9:05 pm

Great discussion. Thanks for the wonderful stuff!
www.Suzysreef.com
User avatar
Suzy
Read-Only
 
Posts: 2190
Joined: Sun Dec 20, 2009 6:54 pm

Re: Mega Powerful Nitrate and Phosphate Remover - DIY!

Postby SantaMonica » Sun Sep 11, 2011 1:17 pm

Coming Soon: Good news for nano owners who want scrubbers. If you have not been able to easily put a scrubber below or above your tank, this might work for you. And you probably already have the parts to make it.
888-CORAL-REEF
Nutrient Removal Discussion: AlgaeScrubber.net
User avatar
SantaMonica
Supporter
 
Posts: 300
Joined: Sat Jan 03, 2009 3:04 am
Location: Santa Monica, CA, USA
State/Region: California
Country: USA

Re: Mega Powerful Nitrate and Phosphate Remover - DIY!

Postby rortreefer » Mon Sep 12, 2011 9:42 am

After being recommended to looking into more macroalgae filtration, this thread has greatly helped me better understand and attemp to utilize a scrubber for my current breeding room build. I am sure it is discussed and I have missed it, but what is the name of the rough sheets you would recommend to use for the algae to grow on? I am out in Hawaii and things are difficult to find out here, so I am guessing I will end up have to retrofit a substitute...

Thank you for the help and great discussion!
rortreefer
 
Posts: 130
Joined: Tue Aug 16, 2011 4:41 am

PreviousNext

Return to Equipment



Who is online

Users browsing this forum: No registered users and 2 guests

cron