odd, no co2 reading? - The Planted Tank Forum
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post #1 of 4 (permalink) Old 07-22-2005, 10:34 PM Thread Starter
Algae Grower
Join Date: Jul 2005
Location: San Antonio, TX
Posts: 48
odd, no co2 reading?

I posted this on another thread, but I'm getting almost no reading on my co2. I have a 29 gallon moderatly planted tank, water is naturally hard...ph7.6 or higher....and I'm running a hagens ladder and a Red Sea reactor with a diy force reactor in the tank. After some time there is still no reading on my lowering of the ph value in the tank. I just removed 3 large limestone rocks I was using for decoration trying to to see if that prevented me from seeing any measurable effects. Anyone have any further ideas? Both co2 systems are putting out a decent stream of bubbles, the hagen works like a charm and the reactor (one built based on a design from a posting here) churns the bubbles in the reactor very nicely. I just dont understand why it doesnt seem to be adding co2 to the tank.
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post #2 of 4 (permalink) Old 07-22-2005, 10:59 PM
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Location: San Jose, CA
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My guess is your ph kit max out at 7.6? It could be it was much higher before, say 8.4, now it might be 7.7, and you won't notice anything on your ph kit.

Truvu 100g Flourite, wet/dry, AHSupply 302w PC, PinPoint controller
10gallon15w T6+15w T8
55gallon40w T6 ODNO4x, no CO2. Discus grow out.
10gallon Tonina tank, 2x15w T6 ODNO 4x
I will do aquascapes after I collect all the plant species and grow them to perfection.
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post #3 of 4 (permalink) Old 07-23-2005, 02:40 AM
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Location: USA
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Also limestone is the worst rock you could place in you're tank, it will dissolve creating havok on you're parameter's. you will have to give it a few days or so and maybe a couple of H20 changes to reach normal again.

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post #4 of 4 (permalink) Old 07-23-2005, 03:47 AM Thread Starter
Algae Grower
Join Date: Jul 2005
Location: San Antonio, TX
Posts: 48
Damn, it's like magic! Removed the rock and presto, the ph lowered and I have a nice bright green on my co2 tester....process of elimination. Thanks guys for your help
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