Overview
Phosphorus 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 of potassium phosphate that takes the guess work out of phosphate dosing.
Seachem gear is commonly used for freshwater planted tanks, nano aquascapes, and routine maintenance — always match capacity to your tank volume and livestock.
Key features
- Phosphorus supplement for the Planted Aquarium
- A safe 4500 mg/L solution of potassium phosphate
- Takes the guesswork out of phosphate dosing
What to know before buying
- Confirm tank size, flow rate, or dosage matches your setup (check the manufacturer listing on Amazon).
- Compare the latest Amazon price with local shops — affiliate links do not change what you pay.
- Read recent buyer reviews for packaging, noise level, and long-term reliability.
Who this is for
Ideal if you run a planted freshwater tank or aquascape and want a proven seachem product with wide availability in the US and international Amazon marketplaces.