G4 is a moisture cured polyurethane which forms a non-porous seal on concrete, brick and porous stone. G4 uses the moisture in the air and substrate to cure and harden. G4-Colours. When using coloured G4 the first two coats must be G4 clear. This is because the G4 clear provides the maximum non porous seal and adhesion. A further two coats of G4 coloured can now be added.
Related Products
Nexus Eazy 320B is new generation of filters cleverly combine mechanical and biological filtration into one advanced filter system.
Only 2 left in stock (can be backordered)
Nexus Automatic System for Gravity Set Up 300 Body is a fully automated cleaning cycle on their multi award winning Nexus filtration systems.
Only 1 left in stock (can be backordered)
The range of K1 Micro Bead filtration systems are pressurised filter systems that deliver incredible levels of filtration for ponds.
Available on backorder
The Cetus Sieve is a sieve design pre-filter for bacterial filters such as K1 Pressure Bead Filter,or the Nexus Eazy-Easy Koi Filter.
Only 1 left in stock
The K1 Microbead Filter 36 is suitable for ponds up to 91,000 litres and uses cutting edge technology and the very best in materials to promise a robust and highly professional performance.
Available on backorder
EazyPod Complete Automatic is a self-cleaning, mechanical and biological filter system for garden ponds up to 10,000 litres.
Only 1 left in stock (can be backordered)
EVO 25W UV design of UVs optimises flow rates and improves energy efficiency, with the sole focus to deliver optimum performance at all times to clear green water in ponds which is caused by single celled green algae.
Out of stock
Nexus Automatic System for Pump Fed Set Up is a fully automated cleaning cycle.
Out of stock
An ideal light source for Aqueon ProFlex Sump Systems, excellent for freshwater, saltwater and reef aquarium environments.
In stock
The Nexus 210/200 Lid has been designed to perfectly cover the top of the Nexus 220 and older models.
In stock
Rotary Drum Filters (RDF) provide reliable filtration solutions for maintaining pristine aquatic conditions.
Available on backorder
Filter nylon wool with medium coarse structure, for optimum water permeability and a long lifetime.
Out of stock