Bromothymol Blue 250ml – pH Indicator for Aquarium Water
Bromothymol Blue is a reliable pH indicator used to test the pH balance of freshwater in aquariums. It helps monitor water conditions to ensure a safe environment for fish.
Usage Instructions:
– Use for cold and tropical freshwater systems.
– Rinse a clear jar or vial with aquarium water before use.
– Add 10 to 15 drops of Bromothymol Blue to 15ml of water in a small container or vial.
– Shake gently until fully mixed.
– Do not touch the top of the container with fingers to avoid false readings.
– Refer to the chart on the bottle for pH level interpretation.
Water pH Adjustment:
For safe and effective pH changes, adjust gradually. Test the water daily and add small amounts of pH Up or pH Down every second day.
| pH Value | Color Change |
|---|---|
| 6.0 – 6.5 | Yellow |
| 7.0 | Green (neutral) |
| 7.5 – 8.0 | Blue |
FAQ
Can Bromothymol Blue be used in saltwater aquariums?
No, Bromothymol Blue is designed for freshwater use only and should not be used in saltwater aquariums.
How often should I test the pH using this indicator?
It is recommended to test the pH daily when adjusting water balance to ensure gradual and safe changes.
Does the indicator need to be stored in a dark place?
No special storage conditions are required. Store in a cool, dry place away from direct sunlight.
Christopher Dowd –
I use this indicator regularly to monitor my aquarium’s pH. The color change is clear and easy to read. It helped me catch a sudden pH drop early and adjust the water safely. Works well with my tropical fish setup.
Diana Wright –
The instructions are straightforward and the color shift from yellow to blue is noticeable. I tested it daily during a water change and it gave me confidence in maintaining stable pH levels.
Isaac Davidson –
Great product for beginners. The vial is easy to use and the color chart on the bottle is helpful. I noticed the green color at neutral pH, which made it simple to track changes.