Pond Liner Underlay 200gsm | Heavy Duty Geotextile | Protects All Liner Types Size:4m x 3m Adds electrolytes: Replenishes essential minerals

Adds electrolytes: Replenishes essential minerals that fish need for gill function and osmoregulation

With a large food capacity

no planning permission needed

Step-by-Step Installation Guide

Form and secure — Press into contours

Pond Liner Underlay 200gsm | Heavy Duty Geotextile | Protects All Liner Types Size:4m x 3m Adds electrolytes: Replenishes essential mineralsPond Liner Underlay 200gsm UK Heavy Duty Geotextile Essential Protection All Liner Types The single most important accessory for any pond liner installation our 200gsm Heavy Duty Geotextile Pond Liner Underlay is the protective foundation that keeps your pond liner in perfect condition for decades. Professional pond builders consider underlay non negotiable: a pond liner without underlay is a pond liner waiting to fail. Our geotextile underlay is a