GRE Spool liquid overwintering agent 1 L for swimming pools – 07446
GRE Spool liquid overwintering agent 1 L for swimming pools – 07446 subject to supplier availability.
Description
Description
The GRE Spool 07446 Liquid Winterizing Treatment helps preserve the water during the months when the pool is not in use and makes it easier to get it ready afterward.
Its treatment helps prevent the formation of algae and limescale deposits during the winterizing period. The 1-liter size is especially practical for smaller pools.
What does it do during the winter?
- Helps maintain the water during the months when the pool is used less.
- Helps prevent algae growth.
- Helps limit the appearance of limescale deposits.
- Helps with getting the pool ready when a new swimming season begins.
- Its 1-liter size makes it easy to adjust the amount for small pools.
Product details
| Brand | GRE |
|---|---|
| Range | Spool |
| Product | Liquid winterizing treatment |
| Reference | 07446 |
| EAN13 | 8427370074462 |
| Size | 1 L |
| Recommended dosage | 1 L per 10 m³ |
| Application temperature | Water below 15 °C |
Preparation, dosage and instructions for use
- Apply the treatment at the end of the swimming season and when the water temperature is below 15 °C.
- Clean the pool before starting winterization.
- Check and adjust the pH to between 7.2 and 7.6.
- First carry out a shock chlorination following the dosage instructions for the chlorine product used.
- Keep the filtration system running until the following day, then clean the filter.
- Add approximately 1 liter of pool winterizing product per 10 m³ of water.
- First pour the required dose into a container of water, then distribute the solution over the entire pool surface.
- Keep the filtration system running during application to help ensure even distribution.
Important: use biocidal products safely. Always follow the instructions, dosage, and safety measures indicated on the product label.
Frequently asked questions
What pool size is the 1-liter format practical for?
With an approximate dosage of 1 liter per 10 m³, this format is especially convenient for smaller pools or for adjusting the required amount without using larger containers.
Do I have to dilute the product before adding it to the pool?
Yes. GRE instructions say to pour the required dose into a container of water and then distribute the solution over the entire pool surface, keeping the filtration system running.
Can I winterize the pool as soon as the swimming season ends?
The treatment should be carried out once the season has ended, but it is best to wait until the water temperature is below 15 °C.


