Lovibond Comparator kits & Photometer - 250 DPD No 3 Tablets for total chlorine
DPD no 3 Information
DPD No 3 Tablets are used to test for total chlorine or bromine . They are used in conjunction with our Lovibond Pooltesters.
COMBINED CHLORINE TEST
- After the free chlorine reading is taken, add a DPD No.3 tablet to the cell containing the dissolved No.1 tablet and crush with a clean stirring rod and mix.
- After two minutes match against the disc. The reading is total chlorine in mg.n..The difference between the two readings is the combined chlorine.
- Wash out cell after test using the brush provided.
Please read instructions on the products before use.
For more information on chemicals and water treatment there are documents and downloads available in our Resources section.