Serenity Bromothymol Blue 50ml

Serenity Bromothymol Blue pH indicator 50ml is a freshwater aquarium pH testing reagent.

Directions:

1. Clean your vial thoroughly (do not add back to tank)
2. Half fill vial with aquarium water that is to be tested.
3. Add 3 drops of Bromothymol Blue pH indicator to vial
4. Place cap on vial and shake until colour is uniform
5. Compare colour in test vial to closet colour on a pH chart. DO NOT add back into the aquarium. Clean your vial thoroughly.
6. Adjust pH up or down as necessary by small adjustments.
7. pH should be tested weekly and at fortnightly water change.