Wellis Crystal Standard Chemical Package
What it includes
- 2 L Wellis Water Treatment
- 18 × 20 g Crystal slow-dissolve chlorine tablets
- 1 floating chemical dispenser
- 1 microfibre cleaning cloth
When to use
Day-one starter for a new Wellis hot tub. Sufficient for the first 2–3 months of normal private use; add Pool Check 5-in-1 strips and pH Down separately for full coverage.
How to use
- Fill the spa via Pure Fill prefilter.
- Balance alkalinity, then pH.
- Add the Crystal Water Treatment per the bottle.
- Place 1–3 chlorine tablets in the floating dispenser, set flow rate.
- Use the cloth for spa-edge wipe-downs.
- Test 2–3× per week and top up tablets as they dissolve.
⚠ Important — please read before use: Always follow the dosing instructions printed on the product label and on the Safety Data Sheet (SDS) supplied with the chemical. Consult your Wellis spa user manual for product-specific water-care guidance applicable to your model, water source, and usage pattern. Never mix water-care chemicals together directly — always add each product separately to circulating spa water with the pump running. The information on this page is provided as general guidance only and does not replace the manufacturer's instructions or professional advice. TwoRelax accepts no liability for damage, injury, water-quality issues, or equipment failure resulting from incorrect use, improper dosing, mixing of incompatible products, or failure to follow the manufacturer's instructions.