Bromothymol Blue 250ml milk supplement Contains: potassium
Bromothymol Blue 250ml milk supplement Contains: potassiumBromothymol Blue is a pH indicator to show the pH balance of water. Directions: For cold and tropical freshwater use. Rinse out a clear jar or vial using your aquariums water. Add 10 drops to 15ml of water in a small container or vial. Shake until the Bromothymol Blue has mixed with the water. Do not cover the top of the container with fingers as this can lead to a false reading. See reference chart on bottle for pH level. When changing the pH balance
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