Test All Water News

Latest updates from Test All Water—products, methods, and tips.

What are DPD Tablets?

What are DPD Tablets?

What are DPD tablets you ask? Well they are used to measure chlorine levels, which is the most used way of disinfecting the water. These tablets are most commonly used for swimming pools, drinki...

Palintest Pooltest 3 Photometer

Palintest Pooltest 3 Photometer

At Palintest they do a wide range of photometers to help you regularly test your swimming pool. One of the popular photometer is the Pooltest 3 which is 3 parameter instrument which is quick, ac...

What is Phenol Red In Swimming Pools?

What is Phenol Red In Swimming Pools?

Phenol red is a water-soluble dye, named phenolsulfonphthalein. It is used as a colour indicator in tests, to show the degree of acid or base in a solution.  Phenol red is added as a reagent to ...

Biguande PHMB

Biguande PHMB

PolyHexaMethylene Biguanide is a non-chlorine bactericide developed for use in private swimming pools. It is not recommended for use in pools fitted with an ozone device. Special versions exist for...