Red Sea MCP Phosphate (PO4) Test

The Red Sea MCP Phosphate (PO4) Test provides fast, accurate colorimetric measurements to help reefkeepers maintain ultra-stable phosphate levels. With 0.1ppm precision and simple colour-matching results, this kit delivers the reliability essential for coral health, algae control, and balanced nutrient management. When paired with Red Sea’s Nitrite/Nitrate Test Kit, it also enables accurate dosing of NO3:PO4–X for biological nutrient reduction.

 

Key Benefits

• 0.1ppm accuracy for highly reliable phosphate monitoring

• Easy, user-friendly colourimetric testing process

• Supports balanced nutrient control and algae prevention

• Works seamlessly with Red Sea NO3:PO4–X dosing strategies

 

Core Features

• High-clarity results

  • Simple colour card makes interpretation fast and accurate

• Complete testing kit

  • Reagent A (50ml)

  • Reagent B (10ml)

  • 10ml syringe

  • Glass vial

  • Colour card

  • User manual

• Designed for reef balance

  • Ideal for systems running biological nutrient reduction or maintaining low PO4 for coral growth

 

Technical Specifications

• Element: Phosphate (PO4)

• Test Type: Colorimetric

• Accuracy: 0.1ppm

• Range: 0–17ppm

• Number of Tests: 100

• Application: Marine aquariums

 

Who is this product for?

• Marine aquarists aiming for stable, low-range phosphate control

• Reef hobbyists using NO3:PO4–X or other nutrient management systems

• SPS and LPS keepers requiring precision nutrient testing

• Anyone wanting fast, reliable PO4 readings