Home Fish Maintenance pH & Other Substance Test Strips JBL KH TEST Refill JBL JBL KH TEST Refill -Recommended level for fresh water: 4-8° dKH.-1 drop = 1° dKH.-Colour change from blue to yellow. See full description 11,46€ Order 2 units, don't run out of it x1 11,46€ 11,46€/unit x2 -0,23€ 22,69€ 11,23€ last unit x3 -0,34€ 34,04€ 11,12€ last unit x5 -0,57€ 56,73€ 10,89€ last unit Buy it with... Europet Starfish 8,5 cm 2,87€ Features JBL KH TEST Refill Reference4014162241115 BrandJBL Product TypeTest TypeHardness Description JBL KH TEST Refill Customer Reviews JBL KH TEST Refill Write a review 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 11,46€ 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