Recent content by xeb

Shut off valves, drains, strainers. I want to use a 4 port shut off valve manifold. I also want to use small sink drains. I can find plastic parts online, but I'm trying to source as many of the parts from local hardware stores as I can. I'm just really curious and cautious about using metal...

Are there any real risks of heavy metal contaminations from using stainless steel parts in a hydroponic system that are supposed to be corrosion resistant? What about brass? What metals should we avoid entirely (other than lead of course)? I'm trying to use all plastic parts, but some parts are...