These circular fiberglass tanks are ideal for Artemia/rotifer culture and larval grow-out. Made of reinforced fiberglass with a smooth, gel-coated interior. Generally in stock for immediate shipment. Flat bottom with vertical sides and a center drain port that accepts 1" PVC pipe. Sturdy fiberglass legs are molded to the tank bottom to ensure years of rugged service. Tanks ship motor freight, FOB FL.