BPM on a 7 gallon? - The Planted Tank Forum
 
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post #1 of 8 (permalink) Old 06-27-2011, 10:59 AM Thread Starter
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BPM on a 7 gallon?

I'm gonna be honest here, I went pressurised on my flora and got over excited and had the CO2 Cranked to 1-2 BPS.I ended up gassing a few cardinal tetras(even with surface disruption) so I've since dialed it down to about 1 bubble every 6-7 seconds and the last remaining tetra seems to be okay..
is this still too high?

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post #2 of 8 (permalink) Old 06-27-2011, 12:29 PM
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only safe way to test is getting/making a drop checker


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post #3 of 8 (permalink) Old 06-27-2011, 01:02 PM
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Quote:
Originally Posted by bigboij View Post
only safe way to test is getting/making a drop checker
forgive my noobness but can you kindly clarify what a drop checker does?
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post #4 of 8 (permalink) Old 06-27-2011, 01:25 PM
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http://www.njagc.net/articles/co2dropchecker.htm

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post #5 of 8 (permalink) Old 06-28-2011, 01:25 AM
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I have 1 bps on my 2.5g and it is fine with a green DP. I really think it depends on a lot of factors in your tank and as mentioned before a drop checker is the best way to watch the co2 levels and dial in your bubble count
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post #6 of 8 (permalink) Old 06-28-2011, 04:51 AM
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You don't really need a drop checker. Just make tiny increases every few days and watch your fish.
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post #7 of 8 (permalink) Old 06-29-2011, 07:44 PM Thread Starter
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Well I keep losing them left and right...tonight i lost another cardinal tetra...My ph is at 6.24..my ammonia is low and so are my nitrites/nitrates...I have no idea what is killing these guys off other than perhaps the CO2? Should I aim the filter outet above the water so it splashes in? should I run an airstone??

would running an airstone negate the co2 im adding??

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post #8 of 8 (permalink) Old 06-30-2011, 05:06 AM
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If you are worried about losing fish over CO2, turn it off for a few days and see if it fixes it. You can also change the water, and add an air stone for immediate reduction in CO2 in the water column.
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