@riverlady just water and maxibloom this round, and some pH adjuster, whole story behind it but just finding a good basepoint to play from again.
As for the system, its built, but easy to buy parts at about $20 a system apart from my reservoir which are just ikea bins, but basic and easy to put together
heres an old post od what its composed of to give you or others that havent seen it what its composed of.