This combo bundle is ideal for a hot tub novice who feels daunted by the chemical requirements, these kits are designed to make your introduction to the world of hot-tubbing as painless and simple as possible.

Kit includes:

1L Alkalinity Increaser

50 x 3-in-1 Testing Strips

Why are they important?

WAVE Total Alkalinity Increaser is used to increase the alkalinity of your spa water. Spa water tends to lose Total Alkalinity (TA), within days of you filling your spa with fresh water. Low Total Alkalinity will result in damage to your spa equipment, pH fluctuation, and bather discomfort, ideal levels are between 100ppm (parts per million) and 140ppm.

What should my alkalinity levels look like? How do I check

Pre-dissolve the required amount (1.5-2 tsp) of Total Alkalinity Plus in a clean plastic bucket filled with warm water. Stir the solution until the granules are fully dissolved. Ensure that your spa circulation pump is turned on before slowly pouring the solution directly onto your spa water surface. Continue to run your spa circulation pump for at least 15 minutes. Re-test your spa water using the accompanying Testing Strips and repeat dosage until a Total Alkalinity reading of between 100ppm and 140ppm is achieved. Allow 15 minutes before using your spa. 

The perfect combo for keeping your Wave Spa hot tub in pristine condition.


(39 reviews)
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Verified Buyer

Brilliant little test strips. Quick and easy to use to make sure that the water in our Tub is safe and sterile.

Wendy Watkins
Verified Buyer

Have found these test strips are ideal for our Hot Tub. Ordered on a Monday and arrived on Wednesday

Verified Buyer

Fast efficient service, strips easy to use with clear instructions

John Wilson
Verified Buyer

I have bought a Wave spa and am so pleased with it. I then purchased these test strips from wave and they are brilliant, so easy to use and great value for money. There are a lot of fake strips or there which are giving false readings. I would highly recommend Wave

Sharon Morgan
Verified Buyer

Wave products are top notch and really perform as they say. They really do what is says The strips tell you if the water is as it should be and all other products are five star

Roy Clewes
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Hot Tub Alkalinity Increaser - 1L & 3 in 1 Hot Tub Test Strip Bundle - x 50
(39 reviews)

Hot Tub/spa Alkalinity Increaser 1l & 50pcs 3-in-1 Test Strips Bundle

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Pay $10.33 per month over 3 months. No interest. No fees

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