sera Gh-Test

Total hardness-Test

Makes it easy to monitor the total hardness. For ap- prox. 420°dGH. In case of too low GH values we rec- ommend 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.



( / )

Please select all options.

Notify me when this product is available: