sera gH Test
Makes it easy to monitor the total hardness.
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.
| Quantity | Art N° | |||
|---|---|---|---|---|
| sera gH Test | 15 ml | 04110 |
sera nitrate Test
