CrystalClear® KnockOut™ PLUS Broad-Spectrum Disease Treatment Helix Life Support Some of these diffusers have

Some of these diffusers have been in operation for over 3 years without trouble or maintenance

Provides nutrition for beneficial bacteria in your pond's biological filter

Ground Brown Rice

These mats often break apart quite easily

CrystalClear® KnockOut™ PLUS Broad-Spectrum Disease Treatment Helix Life Support Some of these diffusers haveCrystalClear KnockOut PLUS is an all natural, fish treatment that eliminates PLUS prevents external single celled parasites or fungal infections. KnockOut PLUS works extremely well with pond fish species such as koi and goldfish and unlike most fish treatments, there is no need to remove your filters before treatment. Furthermore, when used routinely, KnockOut PLUS works as a strong preventative treatment. Use anytime new fish are added, during pond