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nz/tools/find-nz-post
1 x box of 100 photometer grade Alkalinity water test tablets
The exact shade of yellow or pink will depend on the pH level of the water and can be read by your photometer
including swimming pools
and watch as the water turns pink or red
Phenol Red photometer 250 nz/tools/find-nz-post1 x box of 250 photometer grade Phenol Red water test tablets. Range: pH 6. 5 8. 4. Made in Germany to ISO9001 standards, these are top quality at a great price. All prices on this website include gst. These tablets contain phenol red, which is a pH indicator that changes color depending on the acidity or alkalinity of the water. To use these tablets, you would simply drop a phenol red tablet into a 10ml water sample. The tablet will dissolve with
