Sera Test Kit - GH - General Hardness (F) (04110) 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...

Sera Quick Test (50 Strips) - pH-kH-gH-CI2-NO3-NO2 (04960) Quick and easy monitoring Routine monitoring or safety check: The sera Quick Test provides the optimal possibility to check the most important water parameters (pH value, carbonate hardness,...

Sera Aqua Test Set Fresh (04000) Know your water Only knowing your water parameters allows reacting in time and counteract irregularities so animals and plants are being protected. The sera aqua-test set allows monitoring the parameters important for...

Sera Test Kit - PO4 - Phosphate (F/M) (04930) Makes it easy to monitor the phosphate level in fresh and marine water Both fish waste and feeding are possible causes for phosphate introduction into the water. A part is taken up as a nutrient by plants, an...