Palintest Photometer Alkalinty Test Tablets is a measure of all the alkaline materials in the pool water.
 
Palintest Alkalinity (Alkaphot) Test Tablets, pack of 250, suitable for use in Palintest Photometer Test Kits.

These tablets test Total Alkilinity levels over a range of 10 - 500 mg/l.
Use genuine Palintest test tablets with your Palintest Photometer Test Kit to ensure the most accurate test results are achieved.

Palintest AP188. Palintest Alkaphot Photometer Tablets - Total Alkalinity Test Tablets
 
Made in the UK these Test Tablets are considered to be the best available on the market.
 
Storage & Handling
Store in a cool, dry place away from oxidizing and reducing agents, strong acid, alkalis, solvents and organic materials.
Do not mix with other chemicals.
Always wear suitable gloves and eye protection when handling.
Use biocides safely. Always read the label and product information before use.