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Tue Aug 29, 2006, 11:10 AM
#1
GH testing
Hi all
Iv recently got a new tank and am setting it up for discus....
Iv just bought a tetratest GH test, but the instructions aren't very clear, it mentions colour changes from red to green and blue to yellow....
However as i add drops to the water sample it just goes greener. and greener AND GREENER!!!
Has anyone used this test? or know how to use it?
cheers
Lee
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