Sera Test PO4, to easily determine the value of Phosphate in the water of your aquarium or pond.
Fish droppings and food are possible reasons for the presence of phosphate in the water. Some of it is taken up by plants as a nutrient, however, an excess of phosphate also serves as a nutrient for unwanted algae. The sera PO4 test quickly and easily indicates the current phosphate content. Excess phosphate can be easily removed with sera pond phosvec.
Content lasts for approximately 60 measurements.