API GH & KH Hardness Test Kit for Freshwater & Tap Water 10-20 High-quality TFC RO membrane that

High-quality TFC RO membrane that removes heavy metals

In effect the D-D Professional models produce approximately twice as much UV-C per watt than a conventional unit with a glass bulb

providing excellent coverage without the need for multiple products

it supports healthy fish during cooler months when metabolism slows

API GH & KH Hardness Test Kit for Freshwater & Tap Water 10-20 High-quality TFC RO membrane thatThe API GH & KH Test Kit provides precise measurement of general hardness (GH) and carbonate hardness (KH), essential for maintaining balanced conditions in freshwater aquariums and tap water. Proper GH and KH levels are crucial to preventing sudden pH changes that can stress aquatic life, thus fostering a stable environment. This test kit is specifically designed for aquarists aiming to create natural conditions that mimic the natural habitats of