API GH & KH General & Carbonate Hardness Test Kit Brnad_Kruuse O-Ring is suitable for Fluval

O-Ring is suitable for Fluval C2

Choline Bitartrate

The new IQ9 is an 48L(12 gallons) drop off mini aquarium made of 5mm rimless ultra-clear low iron glass with all sides chamfered

Ensures consistent quality in every dish

API GH & KH General & Carbonate Hardness Test Kit Brnad_Kruuse O-Ring is suitable for FluvalWhen keeping freshwater fish and plants, the general hardness (GH) and carbonate hardness (KH) of aquarium water should match their natural habitat. The API GH & KH TEST KIT helps you duplicate the natural habitat of your fish to prevent stress, keeping them healthy! Contains 2 test bottles, easy to ready instructions, and glass test tubes.