harren24 Photometer Test Tablets Chlorine DPD1, DPD3, Active Oxygen DPD4, pH Value Phenol Red, Alkalinity M, CYA, Poollab Water Tester 50x 100x 250x 500x (DPD 3 Total Chlorine, 100 Tablets)-Fast Shipping

Description

Delivery quantity optionally 50 tablets (5 blister packs of 10 tablets), 100 tablets (10 blister packs of 10 tablets), 250 tablets (25 blister packs of 10 tablets) or 500 tablets (50 blister packs of 10 tablets).

Don’t leave the water quality of your pool, pond, jacuzzi or spa to chance Test regularly with harren24 pool tablets from always fresh production Made in Germany with long-lasting durability

Harren24 Test tablets for water analysis for electronic water testers (photometers) such as PoolLAB, but due to the standardised composition suitable for water testers of all manufacturers

Please note: Not suitable for shake testers/test kits! For this you need Rapid tablets!

Reagent tablets optionally for DPD N°1 free chlorine, DPD N°3 total chlorine concentration, DPD N°4 active oxygen/O2, phenol red pH value, alkaline M alkalinity/acid capacity, CYA test cyanuric acid