Pondmaster® CPF Pressure Filter Bio Balls Biological Media Magnetic Drive K3+ and K+ Medias are

K3+ and K+ Medias are all made of virgin plastic (not-recycled) so that you will get the best bacterial adhesion

Microbe-Lift® Super Start contains aerobic heterotrophs

Use 1oz per 1000 gallons of pond for a normal dose

Easy-to-read pressure gauge lets you see whether filter needs backwashing

Releases enzymes to control algae

Pondmaster® CPF Pressure Filter Bio Balls Biological Media Magnetic Drive K3+ and K+ Medias areBio Balls biological media from Pondmaster are especially designed to encourage beneficial bacteria growth in Pondmaster CPF 250, CPF500, CPF 1000 and CPF 2000 pressure filters. Part #: 15420 UP: 025033154204