# HTH Nettoyant Filtre à Sable Filterwash - 1 L

**Brand:** Hth
**Category:** Piscine & spa
**Code (GTIN/SKU):** 3521686001596
**Canonical URL:** https://openreviews.io/en/reviews/hth/hth-nettoyant-filtre-a-sable-filterwash-1-l-3521686001596

## Rating: 4.8/5 ★★★★★ — 4 reviews analyzed
_Confidence: high_

## At a glance

HTH Nettoyant Filtre à Sable Filterwash - 1 L reviews: 4.8/5 based on 4 analyzed reviews from 2 sites, updated September 7, 2026.

Praised: cleaning efficiency and powerful descaling.

4 reviews analyzed, all published on other sites.
Other sites: 2 sources, 4 reviews, average rating 4.8/5.
How we count reviews: https://openreviews.io/en/methodology

## AI summary

This chemical cleaner is designed for the care and maintenance of swimming pool sand filters. Users find it highly effective at removing accumulated impurities and restoring filtration performance. It proves particularly efficient for deep descaling and complete cleaning of the filter media.

## Strengths

- **Cleaning efficiency** — The product effectively removes encrusted impurities and deeply cleans the filtration system.
- **Powerful descaling** — It eliminates accumulated limescale in the sand to restore its original efficiency.

## Frequently asked questions

- Is the product suitable for all sand filters?
- How much should be used for one cleaning?
- Does the product need to be left to act for a long time?
- Does this cleaner effectively eliminate limescale?

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_Source: OpenReviews — https://openreviews.io/en/reviews/hth/hth-nettoyant-filtre-a-sable-filterwash-1-l-3521686001596_