Home Fish Maintenance pH & Other Substance Test Strips Sera Test De Gh Sera Sera Test De Gh 5 5 reviews 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 bl ... See full description Quantity 15 ml 9,94€ 662,67€/L Order 2 units, don't run out of it x1 9,94€ 9,94€/unit x2 -0,20€ 19,68€ 9,74€ last unit x3 -0,30€ 29,52€ 9,64€ last unit x5 -0,50€ 49,20€ 9,44€ last unit Buy it with... Europet Starfish 8,5 cm 2,87€ Features Sera Test De Gh Reference4001942041102 Quantity15 ml Product TypeTest TypeHardness BrandSera Description Sera Test De Gh Customer Reviews Sera Test De Gh 5 Stars | 5 reviews 5 Stars 80% 4 Stars 20% 3 Stars 0% 2 Stars 0% 1 Stars 0% Write a review Reviews in other countries ok.. Muy bueno, colores intensos Buena See all customer reviews Related categories pH & Other Substance Test Strips for fish pH & Other Substance Test Strips Sera for fish pH & Other Substance Test Strips test for fish pH & Other Substance Test Strips hardness for fish Standard price 9,94€ Autoship order How does it work? Save in your Autoship deliveries! + info -5% available We recommend you see these alternatives with a delivery date confirmed by the supplier. - + Add to cart Exclusive online price Prices valid for today