In Store Only

Kill 99.9% of Organic Contaminants. Removes bacteria and calcium build-up in hot tub pipes. Treats hot tubs of up to 2,000L.

Contents:

1. No. 1 | 170g (Dichloroisocyanuric acid)
2. No. 2 | 700g (Sodium bisulfate)
3. No. 3 | 340g (Sodium carbonate)

Directions for use:

1. Remove the head rests (cartridges can remain in the hot tub during the process).
2. Sprinkle the entire content of No. 1 followed by No. 2.
3. Soak the product for 4 hours while activating the pumps through multiple cycles.
4. After the 4-hour wait, pour the content of No. 3 and active the pumps for 15 minutes.
5. Drain.
6. Rinse the cartridges and refill with fresh water.