Seachem Flourish Phosphorus

By Seachem · Phosphate dosing · Phosphate

Seachem Flourish Phosphorus

Specs

ManufacturerSeachem
CategoryPhosphate
FormLiquid
Primary parameterPhosphate
Affected parametersPhosphate, Potassium
Recommended frequencyDaily
Dosing impact1.6 mL per 20 gal raises Phosphate by 0.1 ppm
Available sizes100, 250, 500, 2000, 4000 mL

About Seachem Flourish Phosphorus

A safe phosphate supplement for refugiums and low-nutrient reef tanks. Helps maintain the critical phosphate levels needed for coral energy.

Dosing instructions

Beginner: 2.5 mL per 80 L (20 US gal) once or twice weekly. Expert target dosing: use mL = 0.8 x tank gallons x desired phosphate ppm; equivalently, 1.6 mL per 20 US gal raises phosphate by about 0.1 ppm. Monitor phosphate to avoid algae.

Reef-keeper notes

Beginner: 2.5 mL per 80 L (20 US gal) once or twice weekly. Expert target dosing: use mL = 0.8 x tank gallons x desired phosphate ppm; equivalently, 1.6 mL per 20 US gal raises phosphate by about 0.1 ppm. Monitor phosphate to avoid algae.

Where to buy

Log Seachem Flourish Phosphorus in your reef dosing plan

Reef Trak's dosing module schedules and logs every dose of Seachem Flourish Phosphorus alongside your parameters. The built-in dose impact calculation uses the manufacturer's specs so you know exactly how each dose will move Phosphate.