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Old 03-28-2004, 09:59 AM   #1
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I have one c02 ladder diffuser in my 55 gallon tank thats powered by 2 2 liter bottles of 2 tsp yeast, 2 cups sugar, 1 tsp baking soda, and the rest water. I tend to get between 5-6 bubbles produced per second in my aquarium and I was wondering if I should get a second diffuser or if one is good enough. The bubbles do seem to shrink by 1/2 by the time they get to the top. After a day of running it my ph dropped from 7.8 to 6.2. I'm thinking of disconnecting my power filter on top and just using a canister filter. I was wondering if it would be a good idea to have a bubbler timmer set up so that it goes off at night to give the fish more air in case they run out of 02 at night. Do you think the fish need added oxygen at night and if I went with the bubbler would my fish get ph shock if it took most of the c02 out of the water and raised the ph.
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Old 03-28-2004, 11:35 AM   #2
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I have one c02 ladder diffuser in my 55 gallon tank thats powered by 2 2 liter bottles
After a day of running it my ph dropped from 7.8 to 6.2
Are you sure it didnt drop to 7.2 ? If it dropped to 7.2...not 6.2 I would be amazed in a tank that large with only one ladder. You may want to check those numbers again. What is your KH/PH out of the tap? Also when you test your tap water, let it settle for a day then test it... it will be a more accurate reading.
Most tanks that size would need at least 2 ladders to be effective, a quality reactor is much more efficient in diffusing the CO2 then a ladder.
Recheck them numbers and we can go from there, I would be willing to bet they are different.
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Old 03-28-2004, 11:47 AM   #3
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How do you get 6 bubbles per second with DIY :shock: ? That't one heck of DIY solution.
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Old 03-28-2004, 12:00 PM   #4
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2 tsp of yeast?? man it will run out in less than 3 days!
New Tank!

80 g, Eheim Pro II w Hagen Surface Skimmer, TetraTec IN-1000, JBL Aquabasis and Sand subtrate,
1st 40w Lighting: 40W Marine Glo
2nd 80w Lighting: 2 40W Power Glo
3rd 80w Lighting: 2 40W Aqua Glo
Whole set of Azoo fertilizers
3.8 kg Pressurized co2 tank
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