2 liter bottle gimmick

2 liter bottle gimmick

Postby president89 » Mon Jun 27, 2011 9:04 pm

Does this look like a good or a bad idea for a phytoplankton dispenser? I cam across it randomly. I can't decide. It's a gimmick to keep the fiz in your soda bottle. But i was thinking.. hmm you could use it to split cultures... But now that I think about it. You'd have to take it off the dispensor to refill. Anyways, maybe it could be of some use?

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Re: 2 liter bottle gimmick

Postby chuggy » Tue Jun 28, 2011 5:40 pm

how bout for brine shrimp i want one where did you get it/?
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Re: 2 liter bottle gimmick

Postby Suzy » Tue Jun 28, 2011 7:13 pm

I think it would be cool if we could use it to tap the culture, use it without contaminating it!

Wheres the link? I'll try a couple!
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Re: 2 liter bottle gimmick

Postby MikeSW » Wed Jun 29, 2011 10:11 am

What I found was called "Fizz Saver", looks like the one pictured?
From reviews it appears to use the soda carbonation to dispense.
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Re: 2 liter bottle gimmick

Postby president89 » Wed Jun 29, 2011 11:42 am

I didn't even think of brine shrimp. Forever fizz saver.. that is what its called. I bet the inventor of that thing will be happy I found it. I doubt they were selling too many as fizz savers lol.

http://cgi.ebay.com/Forever-Fizz-Soda-D ... tem4aa824e
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Re: 2 liter bottle gimmick

Postby Suzy » Wed Jun 29, 2011 5:32 pm

So, you think it has to be carbonated fluid to come out? Could it just be gravity that makes it come out? My bottles will all have a hole at the top, so it would just flow if there is nothing to stop it....
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Re: 2 liter bottle gimmick

Postby Graham Penney » Thu Jun 30, 2011 1:32 pm

I see at least 3 problems, being with the "neck tube" area...........1. BS eggs will, during the process of hatching get stuck/drawn into the neck tube & start to "hatch then decay" adding to excess bacteria within the entire hatch. 2. Very difficult to clean out this area unless bleaching at every opportunity. 3. If using it for phyto culturing, again this area will become a "dead spot".
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Re: 2 liter bottle gimmick

Postby MikeSW » Thu Jun 30, 2011 3:29 pm

Suzy wrote:So, you think it has to be carbonated fluid to come out? Could it just be gravity that makes it come out? My bottles will all have a hole at the top, so it would just flow if there is nothing to stop it....


With a hole in your bottle it would dispense until the spout and liquid were level. Estimating from picture it looks like you'd only be able to drain about 2/3 of the bottle.
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Re: 2 liter bottle gimmick

Postby Suzy » Fri Jul 01, 2011 9:59 am

I am going to try it, just for my phyto. I cant see an advantage for BBS, unless I am missing something. But, I think being able to use the culture without opening it might make it less susceptible to contamination. Maybe?
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Re: 2 liter bottle gimmick

Postby Graham Penney » Fri Jul 01, 2011 2:26 pm

Suzy, a bottle without a "hole" in it will not flow due to air locking. Secondly, how do you expect to aerate the phyto culture, as the air bubbles will need to vacate at water surface & sooner or later (ie very quickly) you'll get an air lock in the upper part of bottle. I see your thoughts on "non contamination", perhaps if you cut a small hole in the upper top (what was the base) & then either add a ball of "eg cotton wool" or utilize an air lock device used in wine/brewing this should ease the risk of contamination.
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Re: 2 liter bottle gimmick

Postby Suzy » Fri Jul 01, 2011 3:02 pm

My set up now uses upside down DP bottles with a hole at the top. My thought is that the positive air pressure from the air bubbler will prevent air moving to the inside of the bottle. At this point, I dont open the bottle to use it unless I am going to innoculate new bottles. But, if I could access the bottle without air going in, maybe the culture would stay clean. Maybe! I know my process is in no way "sterile" but I think just slowing the contamination as best I can is good enough for a home hobbyist.

For me anyway!

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Re: 2 liter bottle gimmick

Postby Kmiec123 » Fri Jul 01, 2011 3:46 pm

That would be cool for brine. ;)
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Re: 2 liter bottle gimmick

Postby Suzy » Sat Jul 02, 2011 12:11 am

Mine or the original bottle gimmick spout? My set up is sweet for bbs eggs. Easy peasy.
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Re: 2 liter bottle gimmick

Postby clownfishheaven » Tue Oct 18, 2011 4:39 pm

I need a fish room like that. =D
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Re: 2 liter bottle gimmick

Postby DanUnderwood » Tue Oct 18, 2011 6:10 pm

For brine shrimp, these made by FAF while not cheap, do very well.

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Re: 2 liter bottle gimmick

Postby Suzy » Tue Oct 18, 2011 8:24 pm

Mine cracked after a year...

I'm sticking with empty diet Pepsi bottles. I usually have a few dozen laying around anyway.
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Re: 2 liter bottle gimmick

Postby DanUnderwood » Wed Oct 19, 2011 10:59 pm

I did have one crack that was several years old. Some plexiglass glue along the crack and i have used it daily now for close to 3 years since. I really like the drain at the bottom. Our 5 gallon and 15 gallon cones are setup the same way.

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Re: 2 liter bottle gimmick

Postby jolson » Thu Oct 20, 2011 9:37 am

Suzy I like the way you are doing this mainly because It looks like you get much better circulation that way, no dead spots in the bottom corner of the bottles. ? how do you fill and empty them, do you cover the hole with a finger
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Re: 2 liter bottle gimmick

Postby Suzy » Thu Oct 20, 2011 10:18 am

jolson wrote:Suzy I like the way you are doing this mainly because It looks like you get much better circulation that way, no dead spots in the bottom corner of the bottles. ? how do you fill and empty them, do you cover the hole with a finger


It does get great circulation. I have found tetralsemis wants to settle out of suspension, but if it stays in the water column, it grows wonderfully.

I use bleach in my water mix, and I try as much as a hobbyist can to keep the field sterile (ish). I mix up 5 gallons, then fill as many diet Pepsi bottles as I can at one time with that mixed water, using the regular opening on the top of the bottle and tubing that has been sitting in bleach. Those bottles sit under a shelve until I need them. When I want to start a new bottle, I turn the bottle over and place it in a base made from another DP bottle, just the cut off bottom. I then drill a small hole in the top (which really is the bottom). I add a rigid piece of tubing that has been soaking in bleach water and let it bubble over night to dissipate the bleach. The next day, I use the tubing from a growing bottle to siphon a portion of that bottles contents into the new bottle.

My theory is, the positive pressure in the bottles keep pathogens from entering.

It sounds like a PIA, but it only takes a few moments to get a few bottles cooking. But, this could only work if you are addicted to Diet Pepsi. I drink way more than I should so I always have empty bottles...
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Re: 2 liter bottle gimmick

Postby jolson » Thu Oct 20, 2011 11:12 am

I understand now, you use a new bottle for each culture, I dont drink that much pop and have always reused my bottle hence my question on how to block the hole when reusing Thanks
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Re: 2 liter bottle gimmick

Postby Suzy » Thu Oct 20, 2011 1:37 pm

You could soak the bottle in bleach to clean it. Use the hole in the bottom to fill it with bleach water.
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Re: 2 liter bottle gimmick

Postby rayjay » Thu Oct 20, 2011 3:00 pm

My theory is, the positive pressure in the bottles keep pathogens from entering.

How are you sourcing your pathogen free air to pressurize the bottles?
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Re: 2 liter bottle gimmick

Postby Suzy » Thu Oct 20, 2011 7:32 pm

I'm not. There is a chance that the pump will add something, of course, but it is as close as a hobbyist can get without being too obsessive. for this hobbyist anyway!
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Re: 2 liter bottle gimmick

Postby Suzy » Thu Oct 20, 2011 7:33 pm

Wait. The bottles are not pressurized. But the pump pushes air in, so I think none can go in from the room....
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Re: 2 liter bottle gimmick

Postby rayjay » Thu Oct 20, 2011 11:41 pm

I would expect the air entering the air pump is the same air that would get into the bottle if the bottle was open so really you haven't gained anything unless you do something about that incoming air.
You could pass the air through a "poly" trap, and maybe put it through a sterilizing bubble bath before going to the culture.
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