This kit measures inorganic phosphate to less than 0.05 mg/L, producing a unique easy to read yellow-green-blue color range in marine and freshwater. MultiTest® Phosphate performs over 75 tests and contains a reference sample for validation
To test pH and Alkalinity in Marine water or high pH in Fresh water.
or 6 weekly interest-free payments from $7.80 with
To test Iodine and Iodide in Marine and Fresh water.
Safe treatment to eradicate Red Slime Algae.
or 6 weekly interest-free payments from $5.82 with