50 DPD No. 3 Tablets (Chlorine, Combined Chlorine) - for PoolLab 2.0

Large refill pack for controlling chlorine, combined chlorine (dichloramine) and ozone levels with PoolLab 2.0 and PrimeLab 2.0 photometers.
DPD 3 can be used to measure combined chlorine in water. Combined chlorine is formed when free chlorine reacts with impurities such as sweat or urine. This can lead to unpleasant odours.

These tablets can also be used for PoolLab 1.0.

Contents
50 tablets DPD No. 3