Black Knight Wizard Fibre

Wizard Fibre contains zirconia and is far stronger and more durable than alternatives made from polypropylene which dramatically reduces the chances of it leaking.

A 1kg can of Wizard Fibre can cover between 8-18 square metres at 5mm thick therefore you are not going to need large quantities.

Wizard fibre are small glass fibres about an inch long that can be added to your mortar.

At a glance:

• Allows a much stronger mix, leading to a smoother crack resistant finish that is safer for the fish
• Far stronger, more durable and easier to use than polypropylene alternatives
• Dramatically reduces the likelihood of leaks developing
• High zirconia content offers superb alkali resistance
• Covers 18 square metres