How to get the most out of DIY CO2? - The Planted Tank Forum
 
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post #1 of 7 (permalink) Old 04-21-2011, 08:45 PM Thread Starter
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How to get the most out of DIY CO2?

Hi I am new here and kind of new to planted tanks. I have had easy to care for plants for years. I just now put together a 10 Gal nano that is for the plants with a few fish. I have been keeping fish big and small for 13 years. Now I'm get into aquatic plants.

10gal basic 20"x10"x12"
Lighting is 2x20watt rated 75watt each and that's 1190 lumes each
Substrate is Eco-Complete Plant Substrate 2" deep.
Tap water ph8.0 ( I need to check my Tap water KH)
Ferts : excel , flourish, flourish iron, Flourish Nitrogen. I put a differant one in every day to every other day.

Plants :
Cryptocoryne pontederifolia
Sword ( temp it's small now)
Crypt balansae
Anubias barteri "Round Leaf"
Java moss
Didiplis diandra "Water Hedge"
Dwarf baby tears
Rotala

I have that Gro plant system because I like how it attaches to the tank. I have a 2 year old and could not see a soda bottel workind with her always pokeing around. So I get some great bubbles with the Gro System for 3 days the Co2 is at 37ppm. after 3 days it drops to 20ppm by the end of the week its at like 11ppm. So I add the excel when the co2 drops.

Any tips on how to make a longer lasting co2 mix? I use Sugar and Bakers Yeast. Or do I just need a bigger bottle? or do I need to look into pressurized co2 if I want a stead amount of CO2.

Thanks
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post #2 of 7 (permalink) Old 04-21-2011, 08:51 PM
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We put rice in our DIY to make it last longer.
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post #3 of 7 (permalink) Old 04-21-2011, 10:35 PM
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Rice? Dry or cooked? Instant or whole grain?
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post #4 of 7 (permalink) Old 04-22-2011, 05:06 AM
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You can use champagne yeast instead of baker's yeast. Yeast for baking just doesn't tolerate much alcohol, champagne yeast (depending on the variety) can go up to 17% abv. If that's not readily available, you can use any sort of brewer's yeast instead of baker's as well. It's never going to last terribly long though. If you're concerned about consistent CO2 and little upkeep then bottled is a better option. It's also cheaper in the long run (years, perhaps, for a nano.)
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post #5 of 7 (permalink) Old 04-22-2011, 08:35 PM
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Plain rice, dry.
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post #6 of 7 (permalink) Old 04-25-2011, 05:47 AM
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Quote:
Plain rice, dry.
Thanks
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post #7 of 7 (permalink) Old 04-25-2011, 06:35 AM
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If your tank *needs* CO2 to limit algae, DIY won't cut it. Period.

If You're looking for a steady CO2 level, DIY won't cut it. Period.

DIY CO2 is wonderful. It will always help. But if you *need* CO2, go pressurized. And if you want to keep a steady CO2 level, go pressurized.
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