Fish Maintenance pH & Other Substance Test Strips JBL KH TEST Refill JBL KH TEST Refill by JBL -Recommended level for fresh water: 4-8° dKH.-1 drop = 1° dKH.-Colour change from blue to yellow. 2.396Ft Order 2 units, don't run out of it x1 2.396Ft 2.396Ft/unit x2 -48Ft 4.744Ft 2.348Ft last unit x3 -72Ft 7.116Ft 2.324Ft last unit x5 -120Ft 11.860Ft 2.276Ft last unit Make your pet happy with one of these products! Europet Starfish 8,5 cm 1.246Ft Features JBL KH TEST Refill Reference4014162241115 BrandJBL Product TypeTest TypeHardness Description JBL KH TEST Refill Customer Reviews JBL KH TEST Refill Write a review Find more products in our related categories pH & Other Substance Test Strips for fish pH & Other Substance Test Strips JBL for fish pH & Other Substance Test Strips test for fish pH & Other Substance Test Strips hardness for fish Standard price 2.396Ft Autoship order How does it work? Save in your Autoship deliveries! + info -5% available The supplier has not confirmed the delivery date. We recommend looking at these alternatives. - + Add to cart Exclusive online price Prices valid for today