Thread: planted tank without additional CO2 supplementary, possible?
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Old 07-05-2005, 01:35 AM
stan088 stan088 is offline
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Originally Posted by dom
There are PH liquid tester and PH pen. For long term, try to get PH pen. Easier and u can use unlimited time. Price is around RM130-180. PH liquid tester is around RM10-15. KH also the same. I saw Nutrafin selling the KH/GH tester for RM20+. Worth to get....
Ph pen...sounds interesting... where do they sell it ?

What about those PH controller/meter that are connected the CO2 solenoid ?
Do you have any idea how much they costs ?

Thanks

Stanley

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