Fibreglass water tanks, although more expensive, are longer lasting because they resist corrosion and are not generally affected by chemicals or moisture. Fibreglass water tanks are sturdy, and whilst being relatively expensive they are a long-lasting option.
Fibreglass water tanks have never obtained great popularity in Australia. Just as they started to gain traction in the Australian marketplace poly tanks became popular offering a cheaper and more flexible alternative. It is quite difficult to find a new fibreglass water tank.
Fibreglass water tanks allow more light entry than other types of tanks, which encourages algal growth. To prevent this, tanks should be sealed with a black covering inside or painted on the outside. Some tanks are manufactured with sufficient pigment to prevent this problem occurring.”
Fibreglass Water Tank Disadvantages
Fibreglass can tend to be brittle in nature, being prone to cracking and leaking. Fibreglass water tanks are manufactured with a food-grade coating on their interior surface. Its important that fibreglass water tanks be manufactured in a manner to prevent the entry of light which could encourage algal growth.
These tanks have been around for many years, originally made from the same material as a fibreglass boat however modern construction techniques use glass strands mixed with special resins have been used and the tanks are quite strong and relatively easy to move around on site.