Extrutech Plastics, Inc. Aqua-Tanks are constructed of our “stay-in-place” concrete FORM panel system for poured walls. This is a quick setup and installation system, with 24″ wide interlocking panels. This durable, long lasting system is designed for ease of sanitation and maintenance. Panels are a full 2′ wide, cut to required lengths and snap together for quick installation. The Extrutech Aqua-Tanks offer a non-porous, pre-finished, bright white surface on sides, reducing finishing and installation time while providing a easy to clean, sanitary, solid structure.