Lovibond DPD No. 4 Rapid Test Tablets (Active Oxygen) per 100 for Pool Tester

Simplifies testing, using on-screen visual instructions to guide the user through tests with a simple two button operation.
View results on the instrument data log or use the USB to manage your data on a PC.
Designed for improved portability, the lightweight kit includes everything needed to perform a test anywhere, along with the space for all accessories including check standards or spare test tubes.
Completely waterproof with an advanced instrument sealing system and a waterproof reagent box which can be refilled with any new reagents.
Comes in a hard case offering superior protection.
Lumiso Pooltest 3 is ideal for monitoring outdoor pools.
Lumiso Pooltest 4 is ideal for the effective management of spas and indoor pools.
Lumiso Pooltest 6 provides simple and effective pool testing for service engineers and pool managers, enabling a complete water balance calculation.