eyy everyone, so starting a new 800g tank build soon. just wondering what the diy people are using these day for a surface coating. on my old 460g tank i coated the plywood with fiberglass resin then pond armour but due to the price i would like to try something different. i built a storage tank for my work three years ago that is 8ft x 4ft and 2ft tall that was coated in fiberglass resin then finished with $20 of automotive rattle can rubberized rocker guard and three years later the tank still looks new..... anyone know of something like this that might be fish friendly.