Sera PO4 (Phosphate) Test Kit guinea pig Created over time in an

Created over time in an African river

This decorative filter comes complete with air pump

For tanks larger than 200 gallons

one chemical and two biological filter chambers

Sera PO4 (Phosphate) Test Kit guinea pig Created over time in anquickly determines the phosphate value suitable for fresh and marine water as well as ponds helps prevent algae problems easy to use for approx. 60 measurements Makes it easy to monitor the phosphate level in fresh and marine water Both fish waste and feeding are possible causes for phosphate introduction into the water. A part is taken up as a nutrient by plants, an excess, however, provides nutrition for unwanted algae. The sera PO4 Test quickly and