tanks

I know its half way off topic and other half is on topic. I used to grow weed in hydro but now I want to grow tomatoes ,cucumber & whatever. By that I started to look at plastic and their food safeness, the problem is: you can read something on the internet and the absolute opposite also...so...

Previously I have just used my NFT tanks to water my compost planted Peppers but this year I decided to try true Hydroponics. The Correx (corrugated plastic) lids to the tanks needed replacing as the originals had been 'adapted' several times, unfortunately I made my decision after starting...