Description
Why choose 12mm Low Iron glass for aquarium?
Buy Glass 12mm Low iron annealed glass for Aquariums is made with silica that has a much lower iron content that nearly eradicates the greenish-blue tint you see in regular float glass applications. The sand used for low iron Aquarium glass has just 0.01% ferric oxide, and regular annealed glass will have ten times more.
You may not notice the green tint in small aquariums with thin glass, but with thicker glass, it makes a significant difference, particularly through crisp, white reef light spectrum.
Which Brand do you use?
Pilkington Optiwhite™
The reason for this is the sheer variety of benefits which Pilkington Optiwhite™ can offer, making it an excellent choice for a wide range of applications. Pilkington Optiwhite™ is a low-iron extra clear float glass with very high light transmission. It is practically colourless, and the green cast inherent to other glasses is not present. It is therefore ideal for use where glass edges are visible or where a neutral colour is desired. As its light transmission is higher than clear float glass, it is perfect for applications where transparency and purity of colour are desired.
Why use 12mm Low Iron Annealed Glass and not toughened?
The reason that tank builders and enthusiasts generally use 12mm annealed low iron glass for aquarium is that if that if a rock falls against the glass hard enough or you accidentally bang the tank, float low iron glass will generally crack. This crack will leak water buy should buy you enough time to save your beloved water creatures. If tempered or toughened glass breaks it smashes into small chunks, instantly, sending all the glass and the water, fish, shrimp etc everywhere.
