Best Hth Ph Minus 2026

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Last Updated - 22.07.2026

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01

Bayrol

BAYROL pH-Minus Liquid Domestic 20 L Canister - Pool pH Minus Liquid - Lowers the pH Value of Pool Water - Particularly High Purity - Ideal for Automatic Dosing Systems - Liquid pH Minus

15% Off

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9.6

Exceptional

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Quality "Made in Europe" – The high quality level is our top priority at Bayrol. Bayrol care products are produced in Europe using state-of-the-art technology.
PH countersink pool liquid: pH Minus Liquid Domestic quickly lowers too high a pH value above 7.4. The liquid pH regulator provides a particularly high chemical purity, conforms to EN 15078.
Our goal – offer you the best! Trust Bayrol - this is the safest way to swim in hygienically pure and crystal clear water. We have been here for you for more than 65 years.
Optimal care: the pH value is the basis of water treatment. To ensure that all care products work optimally, the pH value should be between 7.0 and 7.4.
Easy pool water care: to reduce the pH value by 0.1, 300 ml per 10 m³ is required. The dosage takes place directly from the delivery container, using the automatic Bayrol dosing system.

55,89 € 65,56 €(15% Off off)
02

HTH

HTH pH Minus (14,9% flüssig)

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9.5

Excellent

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pH-Wert um 0,2 Einheiten senken = 450ml/10m3
pH Minus flüssig für den Pool: senkt den pH Wert im Wasser
nicht schäumend und flüssig
einfache Dosierung: Kanister mit Skala
Verbessert den Badekomfort
Ein korrekter pH-Wert optimiert die Wirksamkeit des Desinfektionsprodukts

50,32 €
03

HTH

HTH pH Minus 5 kg

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9.3

Excellent

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pH Less HTH Complete Water Treatment Micro Balls, 5 kg. Quickly dissolves granules without residues with the effect of reducing and stabilising the pH value. A pH value that is too high reduces comfort in bathing. Supplied with 1 measuring cup

29,85 €
Value for Money

04

HTH

HTH Spa pH Minus for the Hot Tub

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9.1

Excellent

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T

25,63 €
05

HTH

HTH pH Minus Granulat

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9.0

Excellent

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pH-Wert um 2 Einheiten senken = 1/3 Dosierkappe auf 10m3
pH Minus für den Pool: senkt den pH Wert im Wasser
Verbessert den Badekomfort
Einfache Dosierung: Dosierkappe und Flasche mit Griff
Ein korrekter pH-Wert optimiert die Wirksamkeit des Desinfektionsprodukts

32,11 €
06

Bayrol

BAYROL e-pH Minus Granules 6 kg - Quickly and Effectively Lowers Too High pH Value in the Pool - Easy Dosage Directly into the Water - Contains Dosing Cup - pH Reducer - pH Regulation Pool

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8.9

Very Good

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Main highlights

Fast pH reduction for the pool: the Bayrol pH Minus granules reduce too high a pH value quickly and effectively. A properly adjusted pH value between 7.0 and 7.4 guarantees the full effectiveness of the chlorine and optimal bathing comfort. The extra pure granules do not cloud the water.
Experience and expertise since 1927: Pool professionals, pool builders and pool owners rely on Bayrol – the first choice for high-quality pool care. Thanks to its own laboratory in Munich and European production under strict quality controls, Bayrol guarantees hygienically pure pool water - without compromise.
Easy dosage directly into water: to reduce the pH value by 0.1, 100 g pH minus per 10 m³ (10 g per 1,000 l) is required. The dosage takes place directly into the pool water when the circulation pump is running. Measure pH before and after treatment. Ideal value: between 7.0 and 7.4.
Compatible with all pool surfaces and filter systems: Bayrol pH Minus is compatible with all disinfection methods (chlorine, bromine, active oxygen), all filter systems (sand, filter glass, cartridge) and all pool surfaces (liner, tiles, fibreglass, polyester). Compatible with all types of pool (recessed, above-ground pool, inflatable).
Advantage size 6 kg – including dosing cup: the pH minus granules 6 kg including practical dosing cup for precise dosing directly into the water. Sufficient supply for regular pH regulation throughout the bathing season.

25,95 €
07

HTH

hth pH-Plus 1.2 kg Tin

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8.8

Very Good

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Inspired by hard work
Flexible design
A longer service life

12,82 €
08

Höfer Chemie

1 x 20 kg BAYZID pH reducer minus 14.9% by Höfer Chemie for pool and swimming pool to reduce the pH value

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8.7

Very Good

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pH value 7-7.4 is the prerequisite for the optimal effect of chlorine, algae killer and other pool care products, so always check and adjust the pH value first
Request our free PDF pool fibel by email. There you will find helpful tips and tricks for caring for your swimming pool
Lowers the pH value in your pool reliably and quickly - perfect for automatic dosing system or manual dosage
Höfer Chemie Pool care from the Bayzid range supports you in the optimal care of your pool and ensures germ-free water and bathing pleasure in the home pool
Bayzid pH reducer liquid with reduced concentration of sulphuric acid according to the new EU regulation

45,95 €
09

Steinbach

Steinbach Liquid Chlorine for Pools, pH Minus

11% Off

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8.6

Very Good

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Main highlights

Reliably lowers the pH value in pool water - The pH minus granules are used to adjust the pH value to the optimal range of 7.0 to 7.4. This improves the effect and efficiency of all water care products used.
Not a biocidal product
Important prerequisite for stable water quality - A correctly adjusted pH value not only protects the skin, but also prevents corrosion on technology and installation parts - and ensures a more pleasant bathing experience.
Ideal for all private pools – whether above ground or recessed pool – the pH minus granules are the perfect addition to regular water care and support the full effectiveness of chlorine & Co.
Easy dosage and precise effect - To reduce the pH value by approx. 0.1, it is recommended to add 100 g (approx. 75 ml) per 10 m³. The application is ideally done via pre-dissolved granules near the inlet nozzles.
Dust-reduced & highly soluble - The special granulation ensures low-dust application and dissolves quickly in the water. This simplifies handling and ensures even distribution in the pool.

23,87 € 26,90 €(11% Off off)
10

Höfer Chemie

Höfer Chemie 7 kg pH Countersink Granules for Lowering the pH Value in the Pool – pH Minus for Swimming Pool & Spa

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8.5

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

pH minus granules reduce the pH value quickly and reliably and ensure flawless water quality
The optimal pH value of your pool water is between 7.0 and 7.4.
The dosage quantity depends on the desired pH value, the existing water hardness and the chlorine products used.
Pool pH countersink granules for lowering the pH value in swimming pool and pool
Perfect addition and preparation when using chlorine tablets in the pool

24,55 €