sera gH Test

Makes it easy to monitor the total hardness.

For approx. 420°dGH. In case of too low GH values we recommend sera mineral salt. High total hardness levels can be lowered by mixing in R/O water. For creating soft water we recommend adding sera blackwater aquatan or filtering through sera super peat.

Quantity Item no.
sera gH Test 15 ml 04110
 

sera guide booklets

Browse our extensive guide booklets. From the first steps via correct feeding up to health related topics ...

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