CrystalClear® KnockOut™ PLUS Broad-Spectrum Disease Treatment Color Changing you can protect your air

you can protect your air pump by preventing excessive back pressure

making it suitable for fish and other normal aquatic life

Facilitates healing and reduces fish stress

a molded-in 90° elbow

Note: We recommend at least one diffuser for every 20 to 25 liters of air volume when used with a diaphragm pump (to prevent excessive back-pressure)

CrystalClear® KnockOut™ PLUS Broad-Spectrum Disease Treatment Color Changing you can protect your airCrystalClear 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