D-D KH Manager Concentrated Test Reagent – 500ml Bottle fritz treatment Colony delivers professional-level results with

Colony delivers professional-level results with ease

Slimline quartz bulb with ceramic cap for good thermal insulation

Ideal for aquariums requiring advanced flow management

more colorful growing tips

D-D KH Manager Concentrated Test Reagent – 500ml Bottle fritz treatment Colony delivers professional-level results withThe D D KH Manager Concentrated Test Reagent (500ml) is designed for use with the D D KH Manager to provide accurate and reliable alkalinity (KH) testing. With this concentrated 500ml bottle, you can perform numerous tests, making it an extremely cost effective solution for maintaining precise water chemistry in your aquarium. At about 1p per test, this reagent offers excellent value while helping you keep your aquarium's alkalinity at optimal levels.