GH question - The Planted Tank Forum
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post #1 of 1 (permalink) Old 09-11-2012, 02:28 AM Thread Starter
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GH question

So...I measured GH/KH/pH tonight. I am wondering if my test kits are bad.

This came out at 5.5-6.0 drops,or 5.5-6.0dH, sounds about right.

Came out at 7.75 or so, sounds about right.

Tetra Laborett - 36 drops to change from red to green
Hagen Master Test Kit - 7 drops to change from pink to blue (*20)

So Tetra says 36dH, Hagen says 140mg/l(ppm). According to this Hagen calculator, 140ppm equals a GH level of 7.8.

Tetra kit is bad?
crazymittens is offline  


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