enjoyed lookin over this post, followed, im swapping my 4x8 tent over to the buckets i use the meijiu hlg 550s (like you mentioned i purchased a hlg550v2rspec in my 4x4 for same price as 2 of these) been too busy to keep up with watering so i will be installing the manifolds and i also run remo! but im a rook and curious what recharge you use (gotta look more into the benefits of it) and is it microbial mass you use sunday. ive also setup a small room with meijius theyre great! appreciate the knowledge, and inspiration