Precise pH Adjustment
Designed to lower your water’s pH by approximately 0.2 per 10 g per 1000 L (for a typical 4–6 person spa)

Alkalinity Control
Helps reduce total alkalinity along with pH, so your water stays in the ideal balance zone

Economical Dose
A 1.5 kg pack gives you multiple treatments, ideal for regular maintenance

User-Friendly Instructions
Clear dosage guidelines for safe, predictable results

Safe for Spa Equipment
Proper pH levels protect pumps, heaters, seals, and surfaces from scale or corrosion

Pairs With Testing Tools
Complements Wave testing strips to monitor pH and alkalinity

Recommended Dose
10 g per 1000 L lowers pH by ~0.2 (for standard 4–6 person spa)

Application Interval
Recheck pH after 24 h; repeat dose if needed

Safety Information
Use PPE when handling chemicals.
Avoid contact with acids or incompatible substances; chlorine + acid can produce harmful gases.
Keep contents out of reach of children and store in a cool, dry place away from direct sunlight.

Navigating shipping costs shouldn't be a headache. We’ve kept our delivery options simple and transparent so you can focus on the fun part; getting your order!

Standard Delivery (3–5 Working Days)
- FREE on all orders over £50.
- Just £4.99 for orders under £50.
- Perfect for when you’re happy to wait a few days to save on shipping.

Guaranteed Next-Day Delivery
-Flat rate of £9.99.
- The ultimate "I need it now" solution for those urgent arrivals.

The Magic Hour
- We know you're busy, so we have one of the latest order cut-offs around. Place your order by 6:30 PM, and we’ll get it processed and out the door the very same day.

At Wave, we are committed to ensuring our customers love their products. We’ve designed our returns policy to be clear, fair, and fully compliant with consumer law. Here’s everything you need to know if you wish to make a return.