*Please note - our pre-order dates are estimates quoted to us from our factory and can be subject to short delays. Any delays on your order will be communicated to you in advance via email.

Use WAVE pH Reducer to lower the pH of hot tub water and to reduce the alkalinity. The pH should be correctly maintained to ensure bather comfort and the protection of the hot tub and its equipment. 

How do I know if my hot tubs pH levels are too high?
In order to determine whether your pH levels are correct, get instant results with our Wave Spa 3 in 1 testing strips

How do I use my WAVE pH Reducer?
Ideally, the pH of the water should be maintained at around 7.4. If the pH rises to, or above 7.8, add 100g of WAVE pH Reducer into 10 litres of fresh water, using a clean plastic container and mix carefully. Slowly pour the solution into the hot tub water close to the return inlets and rinse out the container thoroughly.

After 24 hours, recheck the pH and repeat the treatment dose as necessary.

It’s a good idea to ensure everyone using your tub showers before getting in, as creams, fake tan, deodorant etc are not your tub's friend.


(5 reviews)
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Verified Buyer

Great value easy to dispense with the container provided.

Verified Buyer

Bought with PH increaser, does the job , as expected

Logan Smith
Verified Buyer

Bought both ph increases and decreased as chlorine needs to be at ph 7.8 to work right. Does the job as expected

Diana Storey
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Hot Tub pH Reducer - 1L
(5 reviews)

Hot Tub/Spa pH Reducer 1L

Pre-order: Delivery July 29, 2021

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Pay $5.99 per month over 3 months. No interest. No fees

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