The Planted Tank Forum - View Single Post - my first planted tank...please help :/
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Old 04-02-2013, 03:27 PM   #36
Hilde
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Quote:
Originally Posted by jonnyboy View Post
Tough to tell when I don't have a Co2 indicator.
In the DIY section you may find a DIY indicator. Think I saw 1 there made with plastic ball from toy machine.
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