Top 10 pH Increaser for Hot Tub UK – Home & Garden Store

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1. Clearwater

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Clearwater CH0005 PH Plus Increaser for Swimming Pool and Spa Treatment

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Clearwater #ad - Maintains the optimum pH level to enable chlorine treatment to work more effectively and clear any harmful bacteria. Increases the ph level of your spa or above ground pool to maintain comfortable pH levels for your skin whilst you’re enjoying your hot tub or pool.

Ensures that your spa or pool stays hygienic and looking pristine so you can fully enjoy your experience. Clearwater provides a dedicated, friendly UK customer support team to assist you with any queries you may have. Packaging may vary. Instructions are clearly stated on the bottle and it’s very simple to use- simply dissolve the recommended amount of pH chemicals in warm water and add the solution to the pool, increasing its pH level- check after minimum 4 hours. Clearwater is a bishta approved member and recommended by brands such as Bestway and Lay-Z-Spa for reliable, safe and high-quality water treatment.
BrandClearwater #ad
ManufacturerClearWater #ad
Weight1 kg (2.2 Pounds)
Part NumberCH0005
ModelCH0005

2. AQUASPARKLE

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AQUASPARKLE Hot Tub Spa pH Plus Increaser 1kg

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AQUASPARKLE #ad - Test the ph of your spa water and if it's below 7. 2, use aquasparkle pH Plus to raise it. Sold by pool and Spa Center; official stockist of Aquasparkle products. Aquasparkle ph plus is a granular product used to adjust the pH of the water upwards. Ideal ph range: 7. 2 - 7. 6. Compatible with all spa sanitizers.
BrandAQUASPARKLE #ad
Weight1 kg (2.2 Pounds)

3. SUDS-ONLINE

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SUDS-ONLINE 5KG pH Plus Increaser for Swimming Pools, Spas and Hot Tubs

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SUDS-ONLINE #ad - Ph plus is suitable for use in swimming pools, spas or hot tubs. Leave for 24 hours then re-test to ensure pH level is between 7. 2 - 7. 6. Swimming pool add 450 grams per 10, 000 gallons of pool water.

Dissolve in warm water in a plastic bucket and distribute evenly around the pool with the filter operating. Bathing water that is low in ph can be corrosive to pool pumps, heat exchangers and damage the pool lining. Always aim for a pH level of between 7. 2 and 7. 6. Dissolve in warm water in a plastic bucket and distribute evenly around the pool with the filter operating.

However, too high a pH level and the effectiveness of all chlorine sanitisers starts to decrease. Ph plus is a powdered additive than can be used to raise the pH to a desirable level. Spa and hot tub add 11 grams per 1, 000 litres of spa water. Leave for 24 hours then re-test to ensure pH level is between 7. 2 - 7. 6.
BrandSUDS-ONLINE #ad
Weight5 kg (11.02 Pounds)
Part Number134
Model134

4. Pro-Kleen

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Increases pH Levels with Ease 1 kg, pH Plus Treatment for Hot Tubs, Spas and Pools, Pro-Kleen pH Increaser

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Pro-Kleen #ad - Suitable for all hot tubs, spas and pools. If your pool's ph level is too low, the water can cause skin irritation, damage to the pool and unsafe bathing environments. Pro-kleen's ph increaser has a natural ph level of around 11. 3 and 11. 7. Pro-kleen's ph+ helps to keep pH levels balanced for a healthier pool. Super easy to use product that gives impressive results. The quick and easy way to keep pH levels balanced in your pool, hot tub or spa. Once this is added to your pool, it starts to increase the pH level with ease.
BrandPro-Kleen #ad
ManufacturerPro-Kleen #ad
Height19 cm (7.48 Inches)
Length10 cm (3.94 Inches)
Weight1 kg (2.2 Pounds)
Width10 cm (3.94 Inches)
Part NumberMYPK1
ModelMYPK1

5. bluewater POOL & SPA CHEMICALS

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Bluewater pH Plus Increaser 5kg Swimming Pool Chemicals & Spa

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bluewater POOL & SPA CHEMICALS #ad - Easy-to-Use. Ideal for swimming Pools & Spas. Improves Chlorine Efficiency. Genuine bluewater Pool & Spa Chemicals. Effective pH Balancer. 5kg ph Increaser. Cost-Effective.
Brandbluewater POOL & SPA CHEMICALS #ad
ManufacturerBluewater Pool & Spa Chemicals #ad
Weight5 kg (11.02 Pounds)

6. SUDS-ONLINE

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Spas and Hot Tubs, SUDS-ONLINE 1KG pH Plus Increaser for Swimming Pools

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SUDS-ONLINE #ad - Always aim for a pH level of between 7. 2 and 7. 6. Ph plus is suitable for use in swimming pools, heat exchangers and damage the pool lining. Dissolve in warm water in a plastic bucket and distribute evenly around the pool with the filter operating.

Leave for 24 hours then re-test to ensure pH level is between 7. 2 - 7. 6. Ph plus is a powdered additive than can be used to raise the pH to a desirable level. However, spas or hot tubs. Bathing water that is low in ph can be corrosive to pool pumps, too high a ph level and the effectiveness of all chlorine sanitisers starts to decrease.

Spa and hot tub add 11 grams per 1, 000 litres of spa water. Swimming pool add 450 grams per 10, 000 gallons of pool water. Dissolve in warm water in a plastic bucket and distribute evenly around the pool with the filter operating. Leave for 24 hours then re-test to ensure pH level is between 7. 2 - 7. 6.
BrandSUDS-ONLINE #ad
Weight2.2

7. ClearSpa

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ClearSpa pH Plus Increaser Granules 5kg, Suitable for all Hot Tubs, Swimming Pools and Spas

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ClearSpa #ad - Always ensure bathers are out of the water when adding chemicals. Correct ph balance is critical to ensure bather comfort. Ph plus is used to increase the pH balance of the Spa, Pool & Hot Tub. Only add ph plus in stages and always re-test after additions. Minimize damage to the fabric of the Spa, Hot Tub or Pool Tiles and Liner. The correct ph balance for Hot Tub water is 7. 4 – 7. 6. To increase the ph dose at the rate of 10g per 1000lts of water.
BrandClearSpa #ad
ManufacturerSpa Trade Group #ad
Height18 cm (7.09 Inches)
Length9 cm (3.54 Inches)
Weight5 kg (11.02 Pounds)
Width9 cm (3.54 Inches)
Part NumberSTG10015485
ModelClearSpa

8. Nortembio

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Nortembio Pool pH+ Plus 1.4 Kg, pH Regulator, Beneficial for Health., Natural pH Increaser for Swimming Pool and Spa. Improves Water Quality

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Nortembio #ad - Quick and effective action. Easy dosing and application. Container of polypropylene 100% BPA-free Bisphenol A, a chemical that is harmful to health and the environment. Nortembio pool ph+ is suitable and recommended for all types of swimming pools indoor and outdoor. Natural ph enhancer in granulated format, ideal for treatment of pool and spa water. It increases and stabilizes the ph of the water, avoiding the use of toxic products in the maintenance of swimming pools and spa facilities, favoring the health of the bathers. 30 ml dosing scoop included.
BrandNortembio #ad
ManufacturerNortem Biotechnology #ad
Height21.7 cm (8.54 Inches)
Length11 cm (4.33 Inches)
Weight1.5 kg (3.31 Pounds)
Width11 cm (4.33 Inches)
Part Number0
Model1,4 Kg

9. SUDS-ONLINE

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Spas and Hot Tubs, SUDS-ONLINE 500G pH Plus Increaser for Swimming Pools

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SUDS-ONLINE #ad - However, spas or hot tubs. Ph plus is a powdered additive than can be used to raise the pH to a desirable level. Always aim for a pH level of between 7. 2 and 7. 6. Dissolve in warm water in a plastic bucket and distribute evenly around the pool with the filter operating.

Dissolve in warm water in a plastic bucket and distribute evenly around the pool with the filter operating. Leave for 24 hours then re-test to ensure pH level is between 7. 2 - 7. 6. Swimming pool add 450 grams per 10, 000 gallons of pool water. Bathing water that is low in ph can be corrosive to pool pumps, too high a ph level and the effectiveness of all chlorine sanitisers starts to decrease.

Spa and hot tub add 11 grams per 1, 000 litres of spa water. Ph plus is suitable for use in swimming pools, heat exchangers and damage the pool lining. Leave for 24 hours then re-test to ensure pH level is between 7. 2 - 7. 6.
BrandSUDS-ONLINE #ad
Weight0.5 kg (1.1 Pounds)

10. Clearwater

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19.0 cm*9.7 cm*9.7 cm, White, Clearwater CH0030 TA Plus Alkalinity Increaser for Swimming Pool and Spa Treatment

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Clearwater #ad - Increase the total alkalinity of your swimming pool or hot tub water and prevent it from becoming corrosive. Help control your water's alkalinity level, reduce the acidity level and maintain a correct PH.

Recommend using the alkalinity increaser if your water drops below 7. 2 on the ph scale or below 80mg/L alkalinity level. Water that's too acidic can cause chlorine treatment not too work effectively leading to pool/hot tub damage and irritation. Clearwater is a bishta approved member and recommended by brands such as Bestway and Lay-Z-Spa for reliable, safe and high-quality water treatment.
BrandClearwater #ad
ManufacturerWilton Bradley #ad
Height19 cm (7.48 Inches)
Length9.7 cm (3.82 Inches)
Weight1 kg (2.2 Pounds)
Width9.7 cm (3.82 Inches)
Part NumberCH0030
ModelCH0030