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
Standard size, compatible with most manufacturers and easy to fit and made of strong, durable and flexible rubber.
In stock
Nexus Automatic System for Gravity Set Up 200 Body is a fully automated cleaning cycle on their multi award winning Nexus filtration systems.
Available on backorder
In stock
The EazyPod utilises 18 litres of static K1 Micro, which provides enhanced biological benefits, even when using the EazyPod solely as a mechanical waste filter.
Only 1 left in stock
K1 Micro Bead filtration systems are a range of pressurised filtration systems that deliver incredible levels of filtration for ponds.
Available on backorder
The Cetus Sieve from Evolution Aqua is an excellent pre-filter that can be both gravity and pump fed.
Available on backorder
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)
Short-wave UV radiation with a peak at 253.7 nm (UVC) for disinfection purposes, lamp glass filters out the 185 nm ozone-forming radiation, warning sign on lamp indicates that the lamp radiates UVC, 2G11, 4-pin Base.
In stock
T5 produces even light with nice fluorescence and the high output live corals and plants demand.
In stock
Lid Nexus 310/300 is heavy duty and will help protect you filter bacteria from excess light or debris falling directly in to the filter.
In stock
In stock
Rotary Drum Filters (RDF) provide reliable filtration solutions for maintaining pristine aquatic conditions.
Available on backorder