CrystalClear® KnockOut™ PLUS Broad-Spectrum Disease Treatment Pond Force you would need an adapter

you would need an adapter that works up from a 1

This fish-safe

making it perfect for spring opening

This is especially intended for use with the Hudson Waterfall Valve Kit

CrystalClear® KnockOut™ PLUS Broad-Spectrum Disease Treatment Pond Force you would need an adapterCrystalClear 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