# Granulés de verre fin spécial pour filtres à sable - 20 kg, granulométrie 0,7 à 1,3 mm

**Brand:** Hoefer Chemie
**Category:** Piscine & spa
**Code (GTIN/SKU):** 4250463120418
**Canonical URL:** https://openreviews.io/en/reviews/hoeferchemie/granules-de-verre-fin-special-pour-filtres-a-sable-20-kg-granulometrie-0-7-a-1-3-4250463120418

## Rating: 4.6/5 ★★★★★ — 7 reviews analyzed
_Confidence: high_

## At a glance

Granulés de verre fin spécial pour filtres à sable - 20 kg, granulométrie 0,7 à 1,3 mm (Hoefer Chemie) reviews: 4.6/5 based on 7 analyzed reviews from 2 sites, updated November 2, 2026.

Praised: high-performance filtration and manufacturing quality. Criticized: mixed feedback.

7 reviews analyzed, all published on other sites.
Other sites: 2 sources, 7 reviews, average rating 4.6/5.
How we count reviews: https://openreviews.io/en/methodology

## AI summary

These fine glass filtration media, designed to replace traditional pool filter sand, stand out for their excellent filtration efficiency and optimal manufacturing quality. They adapt easily to most installations thanks to their universal compatibility. Although the majority of feedback is positive, a few reviews remain more mixed regarding the use of this product.

## Strengths

- **High-performance filtration** — Users note excellent filtration fineness for their pool water.
- **Manufacturing quality** — The design and consistency of the glass media are considered optimal.
- **Universal compatibility** — This filter media easily adapts to different models of sand filters.

## Weaknesses

- **Mixed feedback** — Some users express more nuanced reservations about the overall effectiveness of the product.

## Frequently asked questions

- What level of filtration fineness is achieved?
- Is this glass compatible with all sand filters?
- Does this filter media need to be cleaned as often as sand?
- Is the grain size highly consistent?

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_Source: OpenReviews — https://openreviews.io/en/reviews/hoeferchemie/granules-de-verre-fin-special-pour-filtres-a-sable-20-kg-granulometrie-0-7-a-1-3-4250463120418_