Water Hardness Test Kit, Sera gH Test, 15ml
≈ 43.42 RON · converted at the official BNR rate; checkout in RON
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Description
Allows for easy monitoring of total hardness For approximately 420dGH. In case of too low GH values, we recommend SERA mineral salt. High total hardness values can be reduced by mixing with R/O water.
For creating soft water, we recommend adding SERA blackwater aquatan or filtering through SERA super peat.
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Frequently asked questions
Practical tips for use in the discus aquarium