ES239

Sera gH Test Kit - for testing water hardness

sera gH Test Kit - for testing water hardness. Makes it easy to monitor the total hardness in water.

Makes it easy to monitor the total hardness in water.

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.

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