How to Use: · After cleaning the system with BWT Power Crystals Cleaner, refill with clean water. · Introduce one sachet of BWT Power Crystals Protector per 150 litres of system water into the system via the system filter or other access point. Pre-dilute contents in 500ml of warm water if necessary. · Restart the system. The product remains effective over time: no additional dosing is required unless water is added to the system. · Annually check the inhibitor concentration in the circuit using a suitable analysis kit .
