Kampa Dehumidifying Refill Crystals are easy to use simply place the crystals in the basket, and moisture from the surrounding air, will be collected and stored in the reservoir. Check the levels periodically, remove and discard the crystals when the reservoir is full and the crystals have all turned to gel and refill the basket with Damp buster crystals.
The Kampa Dehumidifying Refill Crystals are supplied in a convenient resealable bag. A 1 kg bag of crystals can absorb up to 3.5 litres of water and lasts up to 4 months depending upon the amount of moisture in the air.