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Best Pool Winterizing Chemicals - Holiday Sale

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Last Updated - 15.12.2025

Best Choice

01

POOL Total

Astral Pool Winter Agent, 5 L, Effective Winter Care for Pools, Prevents Algae, Bacteria, Limescale, Easy to Use, Swimming Pool Winter Agent

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9.9

Exceptional

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

Reliable winter care: Astral Pool Winter ensures reliable care of your swimming pool in winter and facilitates spring cleaning by preventing the formation of limescale and dirt deposits.
Protects against algae and bacteria: keeps the water clear and clean by effectively preventing algae and bacteria growth.
High compatibility: the non-foaming, chlorine-stable liquid is compatible with various disinfectant treatments and filter types and is suitable for all pool types.
Flexible dosage: the dosage of Astral Pool Winter can be adjusted according to individual needs to ensure the optimal care and cleanliness of your swimming pool.
Easy to use: the product is easy to use. Make sure the pH of the pool water is between 7.0 and 7.4 and pour the agent directly into the water while the filter system is running.
Dosage: add 500 ml of Astral Pool winter wintering agent per 10 m³ of water. After shock chlorination at the end of the bathing season, an additional dosage of 500 ml per 6 m³ is recommended the next day to prepare the pool optimally.

37,95 €
Value for Money

02

STEINBACH

Steinbach Pool Care, Winter Care Liquid, 2 x 5 L, Algaecides 0753705TDC2

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9.8

Exceptional

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

The BAuA number: N-86790

36,02 €
03

Bayrol

Bayrol Winter Protection 3 Litre Liquid Pool Winterizing Chemical

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9.7

Exceptional

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

Prevents limescale and dirt deposits
Facilitates basic cleaning in spring

32,00 €
04

Bayrol

Bayrol Puripool Super - Liquid wintering concentrate, 1 L

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9.5

Excellent

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

Spring cleaning is much easier
Prevents algae growth, limescale and other dirt deposits in the pool
Liquid, foam-free concentrate for wintering pools
Contains no heavy metals and thus prevents damage to pool surfaces and installation parts
500 ml per 10 m³

19,18 €
05

Paradies Pool

Paradies Pool Winter Protection Agent for Pool, 2 Litres, Foam-Free, Winter Swimming Pool

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9.4

Excellent

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

Reduces the consumption of detergents during spring cleaning. Automatically dismantles by using water care in spring
Protects your film from scratches caused by the ice floe
Pool winter protection agent, foam-free
Box contents: 2 x 1 litre winter protection agent, foam-free
Anti-growth against algae. Prevents firmly adhering limescale and dirt deposits

16,49 €
06

HTH

HTH Super Winterprotect 1 Litre Pool Winter Medium

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9.2

Excellent

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

Winter remedy for pool wintering
Suitable for active and passive wintering
Protects the water in the pool reliably during the winter
Non-foaming, easy to use
Fights algae and harmful fungi in winter in the pool
Effectively prevents limescale deposits
300 ml = 10 m³

19,95 €
07

Mr. Perfect

Mr. Perfect® - Effective Winter Booster 10 L | Pool Winter Agent | Winter Protection Agent for Pools | Winter Agent for Pool | Pool Overwintering Agent Algaecide | Easy Winter Pool Care

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9.0

Excellent

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

Winter algae protection: the pool cleaning agent is ideal as a pool algae killer and pool disinfection. It has a lasting effect against impurities, such as algae, bacteria or germs of the pool.
Use biocidal products carefully. Always read the label and product information before use. BAuA No: N-114952 - UFI: 50C0-Y046-700T-GD26
Preparation for the next season – to start the new bathing season, you do not need time-intensive spring cleaning of the pool. Our winter booster is compatible with all disinfection methods.
Easy pool care – the liquid wintering protection, [with free dosing tap] can be used as a pool care cleaner easily. A prior measurement of the pH value is necessary.
Easy overwinter protection – the pool winter agent disinfects the pool water and prevents limescale deposits. Perfect for wintering the pool without much effort!

24,02 €
08

Flotex

FLOTEX® - Effective Winter Booster 10 L | Pool Winter Agent | Winter Protection Agent for Pools | Winter Agent for Pool | Pool Overwintering Agent Algaecide | Easy Winter Pool Care

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8.9

Very 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

Winter algae protection: the pool cleaning agent is ideal as a pool algae killer and pool disinfection. It has a lasting effect against impurities, such as algae, bacteria or germs of the pool.
Use biocidal products carefully. Always read the label and product information before use. BAuA no.: 114952 | UFI number: 50C0-Y046-700T-GD26
Preparation for the next season – to start the new bathing season, you do not need time-intensive spring cleaning of the pool. Our winter booster is compatible with all disinfection methods.
Easy pool care – the liquid wintering protection, [with free dosing tap] can be used as a pool care cleaner easily. A prior measurement of the pH value is necessary.
Easy overwinter protection – the pool winter agent disinfects the pool water and prevents limescale deposits. Perfect for wintering the pool without much effort!

24,32 €
09

Independently published

POOL CARE FOR BEGINNERS: The Simple Step-by-Step Guide to Cleaning, Maintaining, and Troubleshooting for Sparkling Water All Year
8.8

Very 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.
Main highlights

11,76 €