NT LABS Aquarium pH Stabiliser KH UP 180g Wool/ Sponge Model :A1-180

Model :A1-180

and is easily renewed by treating with bleach

UVC power               W             55

You can spread it directly inside the aquarium tank and use as base sand

Take out the isolation piece to create a large space breeding box

NT LABS Aquarium pH Stabiliser KH UP 180g Wool/ Sponge Model :A1-180Comprehensive and easy to use, I often like to have a couple of bottles of Anti Internal Bacteria treatment or Disease Solve to hand. Nice to know that Im not the only one who rates these products! Nathan Hill, the Associate Editor of Practical Fishkeeping Magazine When to use : Over time the carbonate hardness (KH) level in your aquarium will drop. This reduces the pH and can lead to sudden fluctuations. Increase PH and increase carbonate hardness.