Sera water hardening for R/O, spring & soft water.

Sera mineral salt contains minerals that are present in natural water in biologically correct amount, which are required for enriching mineral-poor water (e.g. R/O water).

Water conditioned with Sera mineral salt can be used immediately.

Dosage - 5g for each 100 litres results in a carbonate hardeness of 0.6 dH.

Size: 105g