Do they come with chart to c how much chlorine

These tablets are designed for use with a comparator so are not designed to be used alone, therefore they arent supplied with a colour chart

How do l test the water with the tabĺets

These tablets are designed to be used with a Lovibond comparator or photometer.

Can I use these with the PoolLab 1.0 photometer?

They are suitable for use in a range of photometers including the poollab, the 250 packs are the best value and the ones in stock at lab sales have a shelf life of over 5 years

How many should go in a lay z spa roughly??

These are test tablets to tell you how much chlorine you have, not chlorine tablets!

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Certikin - DPD No 1 Chlorine Tablets | 250 Count for Photometer | Measures Chlorine, Bromine, Ozone | Long Shelf Life & Easy Use | Suitable for Pools & Spas, Multicoloured

Product ID: 68239589

Details

Brand
Certikin
Item form
Tablet
Number of items
250
Package Size Name
250 tablets

⏳Long shelf life for lasting reliability

🌈Multicoloured for versatile testing

🧪250 precision reagent tablets

₩63174

Duties & taxes included

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Description

🧪 Stay ahead of the curve—keep your water crystal clear with Certikin’s precision tablets!

PRECISION YOU CAN TRUST - Accurately measures free chlorine, bromine, ozone, and more for comprehensive water quality control.
BULK SUPPLY ZERO DOWNTIME - 250 tablets per pack ensure you never run out during critical pool or spa maintenance.
EFFORTLESS TESTING ROUTINE - Simple crush-and-swirl method delivers immediate, reliable results—no guesswork involved.
CERTIFIED QUALITY FROM GERMANY - Manufactured by Astralpool, trusted worldwide for consistent, regulatory-compliant water testing.
VERSATILITY MEETS PROFESSIONAL GRADE - Compatible with photometers and comparators, perfect for both personal and expert use.

Certikin DPD No 1 Chlorine Tablets offer 250 multicoloured reagent tablets designed for precise measurement of free chlorine, bromine, ozone, and monochloramine-dichloramine levels. Compatible with photometers and comparators, these easy-to-use tablets provide immediate, reliable results with a long shelf life, making them essential for pool and spa water quality management. Trusted by professionals and manufactured in Germany, they ensure safety, compliance, and peace of mind for aquatic environments.

Specifications

ASIN	B00WRCNEZM
Benefits	Facilitates accurate measurement of free chlorine in pool water, ensuring safety and compliance with legal regulations
Best Sellers Rank	6,018 in Garden ( See Top 100 in Garden ) 29 in Chlorine
Brand Name	Certikin
Country Of Origin	Germany
Customer Reviews	4.7 4.7 out of 5 stars (150)
Item Form	Tablet
Manufacturer	Astralpool
Manufacturer Part Number	localization_B00WRCNEZM
Model Number	localization_B00WRCNEZM
Number of Items	250
Package Size Name	250 tablets
Unit Count	250 count

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