Ideal for salt water aquariums and coral reef tanks. Specially designed for salt water, the HI-736 Phosphorus Checker will measure vital phosphorus levels - even at exceptionally low range. Checker®HC is supplied with reagents for 6 tests. Use code HI-736-25 (25 tests) for future purchases.
HI-736 Phosphorus Marine Ultra-Low Range Colorimeter - Checker
£69.00Price