Potent CO2 mix - The Planted Tank Forum
 
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post #1 of 9 (permalink) Old 03-22-2005, 11:04 AM Thread Starter
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Potent CO2 mix

I was just wandering about my CO2 mix, Im using 1/4 tsp wine yeast, 2 cups sugar and 1/2 tsp baking soda.
Ive had one of the 2L bottles running for 10 days and it is producing about a bubble every 2-3 seconds, my tank is 55g, isnt that on the higher side? Should I use 2 2L bottles or just stick to the one??

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600 ltr (160g) planted tank. Pressurized CO2, Eheim 2260 & Sacem Marathon 2000, 156W T5.
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post #2 of 9 (permalink) Old 03-22-2005, 11:07 AM
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Two bottles will be better, but you have to be sure that the T connections have no leaks.
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post #3 of 9 (permalink) Old 03-22-2005, 11:35 AM Thread Starter
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OK, but if I have 2 of this same mixture it should be producing a bubble every 1-2 seconds, isnt that a bit much for a 55g tank? I have a diffuser made out of a gravel cleaner and a powerhead and it seems to be diffusing the CO2 100%

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post #4 of 9 (permalink) Old 03-22-2005, 12:23 PM
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I use 3 1 gallon jugs in a 37 gallon tank. My mix is:2 liters water, 3/4 tsp. bread yeast, 1 1/4 cups sugar, 1 tsp. protien powder, 1/2 tsp baking soda, 1 tbsp. honey. I change 1 every week. My tank's co2 level starts at about 45 ppm, and ends at about 30 ppm. I use a HOB filter with a spray bar. That's probably why I need so many large bottles.

40 gallon SeaClear Acrylic, 192 watt Orbit Lunar PC, Filstar XP2, Filstar XP1, JBJ Regulator, Rhinox 5000 glass co2 diffusor, 9 watt UV sterilizer, Hydor Inline Heater, Pool Filter Sand substrate
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How comes shoppings so stupid, looks at all this stuff I haves, what do I do's with it.
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post #5 of 9 (permalink) Old 03-22-2005, 01:11 PM
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The honey I can understand because of the sugar. (Does it get rancid though) Whats the deal with the protein powder though?
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post #6 of 9 (permalink) Old 03-22-2005, 05:46 PM
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I ran 2 bottles on my 55 with the same mixture and it wasn't too much CO2.
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post #7 of 9 (permalink) Old 03-22-2005, 06:47 PM
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I got that mix from some website. It also said to leave the yeast from previous mixes in there. I clean the bottles once a month. It's supposed to help form kinda like a yeast culture. Works great for me, plus I lift weights so I always have protein powder. I think it was called the Nyberg mix.

40 gallon SeaClear Acrylic, 192 watt Orbit Lunar PC, Filstar XP2, Filstar XP1, JBJ Regulator, Rhinox 5000 glass co2 diffusor, 9 watt UV sterilizer, Hydor Inline Heater, Pool Filter Sand substrate
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How comes shoppings so stupid, looks at all this stuff I haves, what do I do's with it.
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post #8 of 9 (permalink) Old 03-22-2005, 06:48 PM
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I run 4 2 liter bottles on my 29 gallon tank and my co2 levels are high, yet right where i want them! The idea of the protein powder in the co2 mixture is a great idea, i have heard of that mixture before, it lasts much longer and not much of the yeast dies because of the protein, and less sugar. In a sugar, water, yeast method a lot of the yeast just dies because of all the sugar. I actually cant see how you get away with just 1 or 2 bottles on a 50 gallon tank! I would think you would need at least 4 to get by with a co2 level of about 30-40, mine is at ....50-60 .
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post #9 of 9 (permalink) Old 03-22-2005, 06:55 PM
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I believe the protein powder comes from the Nyberg recipe for DIY CO2.
http://www.aquatic-gardeners.org/Nyberg_yeast.ppt

I still haven't decided if I like this better than plain sugar. I get much higher CO2 production (about 1 bubble per second), but when it's done, it is done--no gradually slowing down.
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