Test Colombo Marine Iron - Fe

High quality, easy to do a colorimetric test measuring iron level in sea water.

User manual:

1. Before test, make sure that the test vial is clean.

2. Get to the vial 10ml of water from the aquarium.

3. Add 1 teaspoon of powder (vial with a red correece) and stir.

4. Add 5 drops of FE 2 reagent and stir.

5. Wait for 10 minutes and after this time, attitudes the vial on the white color card box and look through the vial from the top. Compare color of water sample with a color card. Do not do this in direct sunlight. Sample colors and on the color tab will not be exactly the same, because it is often a value between these on the card. Look for the most similar color.

The package is sufficient to perform 40 tests.