Seachem Flourish Phosphorus fish food or any high flow area

or any high flow area of a trickle filter

utilise the suggested ratio chart

This gives maximum algae control for new tanks (we recommend all tanks to start with APT 1 for the first 1-3 months)

Marine or high pH Freshwater

Seachem Flourish Phosphorus fish food or any high flow areaPhosphorus is one of the main three macro nutrients (nitrogen, phosphorous, potassium: NPK) required by plants and can often become the limiting factor to growth in a flourishing system. Flourish Phosphorus is a safe solution (4,500 mg L phosphate) of potassium phosphate that takes the guesswork out of phosphate dosing. Unlike competing products that mix nitrate and phosphate in a fixed ratio, Flourish Phosphorus (being nitrate free) allows you to