ELOS Expert Line Aqua Test - PO4 (Phosphate)
ELOS brand test kits have a good reputation and appear to be comparable to Salifert test kits. I found the kit reasonably easy to use. Instructions: 1) Shake each bottle before use. 2) Fill testing vial to 10ml using syringe. 3) Add 2 drops of Reagent A. 4) Add 2 drops of Reagent B. 5) Close vial with stopper and shake for 2 minutes. |
ELOS Expert Line Aqua Test Chart - PO4 (Phosphate)
6) Hold vial about 5cm above the white chart. Looking down from above into open vial compare color to color chart. |