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Sera General Hardness (gH) Test Kit 0.5oz 15ml
Original price was: $9.57.$7.66Current price is: $7.66.
Description
For approx. 420dGH. 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 aqua tan or filtering through sera super peat.
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