

Important: water-care requirements depend on the exact sanitiser system, product instructions, local water conditions and chemical manufacturer directions. Use this guide as a general maintenance framework rather than a universal dosing schedule.
Spa volume, bather load, water source, temperature, sanitiser type and chemical concentration vary. A fixed gram-per-litre instruction copied into an evergreen article can be wrong for a different product or chemical formulation. Follow the label of the exact chemical you are using and the current spa operating instructions.
A dirty filter can reduce water flow and filtration performance. Remove and clean the filter in accordance with the spa and filter instructions. Replace damaged or worn cartridges when they no longer clean or perform correctly.
Water eventually accumulates dissolved material that cannot be removed by normal filtration alone. The appropriate drain-and-refill interval depends on use, water quality and the maintenance system. Follow the current product guidance and local requirements for disposing of treated spa water.
Hot weather, direct sun, high bather load and debris can increase water-care demand. Cooler conditions can change heating behaviour and usage patterns. Rather than using one national schedule, increase monitoring when conditions or usage change.
| What you notice | What to check first |
|---|---|
| Cloudy water | Sanitiser level, filtration, filter condition, water balance and bather load |
| Foam | Body products, detergents, water balance and accumulated dissolved material |
| Unusual odour | Sanitiser condition, water balance and whether the water needs corrective treatment |
| Scale or deposits | Water hardness, pH and the product-specific water-care instructions |
| Skin or eye irritation | Stop use and check water balance/sanitiser before re-entering; seek appropriate advice if symptoms persist |
Test often enough to keep the water within the operating range specified for your sanitiser system, with more frequent checks after heavy use, water changes or unusual conditions.
Do not assume a pool chemical is suitable for a spa. Spa water volumes and temperatures are different, and chemical concentrations vary. Use products that are appropriate for your system and follow the current label directions.
For maintenance guidance specific to your Spas Wholesale product, contact our team. We provide ongoing product and after-sales support without promising a fixed seven-day service schedule.
Evidence Centre · Spa & Water Safety Guide
Updated: 25 August 2026.
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