Im not a chemist so does anyone know if this material would be safe in a reeftank. it says its a safe alternative to pvc
https://www.rubberflooringinc.com/interlocking-tile/rugged-grip-loc-tiles.html?i=61588
https://www.rubberflooringinc.com/interlocking-tile/rugged-grip-loc-tiles.html?i=61588