Prefilter Sponge 75x75x200mm PM1300 To 4900 Tank Add 1 capful (5 ml)

Add 1 capful (5 ml) per 50 US gallons (200 L) of tap water to remove up to 1 ppm of ammonia

aeration and water flow direction adjustment

Chemical Media

simple adjustment of the filter 's work rate to the user 's needs

encapsulation technology to the fullest

Prefilter Sponge 75x75x200mm PM1300 To 4900 Tank Add 1 capful (5 ml)The prefilter sponge connects to the intake of the Pond One Pondmaster range of pond pumps to allow a larger water intake area reducing the stress on your pond pump. The blue open cell foam traps larger debris and dead leaves so they don't get clogged up in your filter. The Blue foam is a superb water filtration material because it provides a good home for nitrifying filtration bacteria to grow and to break down fish waste in your pond. Suitable for: