penguinleo Posted January 7, 2007 Report Share Posted January 7, 2007 If I have no fish in my tank but the tank is all planted and ready for fish, can I set the CO2 bubble rate straight to 1 or 2 bubbles per minute? Since there are no fish and the pH drops and rises wouldn't affect the plants as much as the fish. Would it be okay? And how long after the CO2 is set up would I be able to put in the fish. The tank is cycled by the way. Thanks. Quote Link to comment Share on other sites More sharing options...
Brianemone Posted January 7, 2007 Report Share Posted January 7, 2007 If I have no fish in my tank but the tank is all planted and ready for fish, can I set the CO2 bubble rate straight to 1 or 2 bubbles per minute? Since there are no fish and the pH drops and rises wouldn't affect the plants as much as the fish. Would it be okay? And how long after the CO2 is set up would I be able to put in the fish. The tank is cycled by the way. Thanks. you dont need to wait after setting up the co2 to put in fish, you only need to ensure that the tank conditions are stable, (no flucuating ph) if you have no fish then you can crank out the co2 as it would take alot of co2 to change the ph enought to effect plants, just make sure you have enough light and ferts to make use of the co2 being used Quote Link to comment Share on other sites More sharing options...
reef Posted January 7, 2007 Report Share Posted January 7, 2007 one or two bubbles is not a problem. no point putting in to much until you have many plants otherwise the algae will love it. Quote Link to comment Share on other sites More sharing options...
penguinleo Posted January 7, 2007 Author Report Share Posted January 7, 2007 I have enough light and ferts. so should be fine. And the only reason I want to put the CO2 in before the fish is that last time when I did this, I lost quite a bit of fish. Especially the loaches. I started really slow. Like 20 bubbles per minute and slowly increased this over many days but still didn't work. So this time I want to get all plants ready, no fish and then crank the CO2 straight to 1 bubble per second or sth...then wait till the pH settles. But how do you know how many bubbles you need in your tank? (Please refer to my other thread) Thanks for the help. Quote Link to comment Share on other sites More sharing options...
reef Posted January 7, 2007 Report Share Posted January 7, 2007 how big is your tank? you nee dto test the gh and kh. if too low kh then you ph will swing to much. Quote Link to comment Share on other sites More sharing options...
penguinleo Posted January 7, 2007 Author Report Share Posted January 7, 2007 My tank's 200L. I will test the Gh and Kh soon. Thanks. Quote Link to comment Share on other sites More sharing options...
sid 201 Posted January 7, 2007 Report Share Posted January 7, 2007 just out of intrest what efect does co2 have on ph? cheers Quote Link to comment Share on other sites More sharing options...
quack Posted January 7, 2007 Report Share Posted January 7, 2007 i thnk the co2 lowers the pH. i thought you need to test the pH and the kh for co2? heres a pic of the chart. Quote Link to comment Share on other sites More sharing options...
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