C02 Red Sea Food Source: Sugar? - The Planted Tank Forum
 
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post #1 of 7 (permalink) Old 07-31-2007, 04:06 AM Thread Starter
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C02 Red Sea Food Source: Sugar?

I have a beautiful, healthy, 37-gallon planted tank using "Red Sea Turbo CO2", with the food source and yeast.

I'm tired of spending $12.00/month (or $7.00 via mail order) for the refill kit. It seems to me this stuff is just sugar, with yeast added.

So, can I just use plain ol' table sugar instead? Can I take half of the yeast cannister and mix it up with plain table sugar as the food source? Better yet, can I just leave a little bit of the sludge from the previous month and add more sugar?

Thanks.

Jeff
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post #2 of 7 (permalink) Old 07-31-2007, 04:21 AM
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Yes, it is just yeast and sugar. There are many discussions about this, here is a more recent one:

https://www.plantedtank.net/forums/di...o2-recipe.html


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post #3 of 7 (permalink) Old 07-31-2007, 04:30 AM
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Here is what I use for mine.
1 cup sugar
1/4 tsp bakers yeast
1/2 tsp baking soda
scant 2 cups lukewarm water (not more than 105 degrees F)
shake for 2 minutes as the instructions says.
Has woked for me and is a lot cheaper.
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post #4 of 7 (permalink) Old 07-31-2007, 04:50 AM
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the red sea bottle may be too small for a 37gal tank.
you are better off using at least a 2 liter soda bottle.
(dechlor water, pint of sugar, yeast, whey, baking soda)
you can read various DIY Co2 threads on how it's done.


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post #5 of 7 (permalink) Old 07-31-2007, 01:31 PM Thread Starter
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Great! Thank you! I'll be picking these things up this week. And I guess I just need to rig up a little end to my soda bottle so the plastic tube will fit on it. Any suggestions on that?
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post #6 of 7 (permalink) Old 07-31-2007, 02:03 PM
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https://www.plantedtank.net/forums/di...e-diy-co2.html

https://www.plantedtank.net/forums/di...yeast-co2.html


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post #7 of 7 (permalink) Old 07-31-2007, 04:41 PM
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I've also been using two Red Sea Turbo 2 1L bottles (both with pumps) to feed CO2 to my 46G, and I am now going to begin using the baking soda trick to stabilize my mixture. I've also noticed the peaking of CO2 production after about 1 week, then sharply dropping off again to almost nothing when using just the 2cups sugar + 1/4tsp Red Star baking yeast.

The yeast and baking soda are very small amounts, so that's much cheaper than buying the actual Turbo CO2 mixture, but with the price of sugar these days, I'm not convinced that using these DIY recipes is the cheaper long-term solution for a heavily planted tank. I'm seriously considering getting a semi-automatic CO2 system like this: http://www.drsfostersmith.com/Produc...&N=2004+113779
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