Sera – gH – Test – Total Hardness Test – 15ml

10.50

Sera – gH – Test – Total Hardness Test – 15ml

Description

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.