# Granulés de verre grossier spécial pour filtres à sable - 20 kg, granulométrie 2 à 5 mm

**Brand:** Hoefer Chemie
**Category:** Piscine & spa
**Code (GTIN/SKU):** 4250463120401
**Canonical URL:** https://openreviews.io/en/reviews/hoeferchemie/granules-de-verre-grossier-special-pour-filtres-a-sable-20-kg-granulometrie-2-a-4250463120401

## Rating: 4.7/5 ★★★★★ — 3 reviews analyzed
_Confidence: high_

## At a glance

Granulés de verre grossier spécial pour filtres à sable - 20 kg, granulométrie 2 à 5 mm (Hoefer Chemie) reviews: 4.7/5 based on 3 analyzed reviews, updated September 5, 2026.

Praised: filtration efficiency and durable alternative.

3 reviews analyzed, all published on other sites.
Other sites: 1 source, 3 reviews, average rating 4.7/5.
How we count reviews: https://openreviews.io/en/methodology

## AI summary

This coarse glass filter media is designed to replace traditional sand in pool filtration systems. Users highlight its excellent effectiveness in clarifying water in a sustainable and optimal way.

## Strengths

- **Filtration efficiency** — This coarse glass filtration media ensures excellent clarification of pool water.
- **Durable alternative** — Its grain size of 2 to 5 mm offers superior longevity and efficiency compared to conventional filtration sand.

## Frequently asked questions

- What is the lifespan of these glass granules?
- Is this product compatible with all sand filters?
- Is a specific backwash required?
- How much glass is needed compared to standard sand?

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_Source: OpenReviews — https://openreviews.io/en/reviews/hoeferchemie/granules-de-verre-grossier-special-pour-filtres-a-sable-20-kg-granulometrie-2-a-4250463120401_