I don,t know much about the led light blue stone is for a bubbler to aireate the water,read thru here I,m sure you will find all you need to know, before you plant your seeds.
Big len Reviewed by Big len on . new hydro set up 6 plants I have a hydro system with a bubbler a led lamp some blue bar that stays in the water don't really know much so need help..I purchased the system and led lamp in eBay and I got the seeds from amsterdamseeds I try this out before and the seedling will grow but it never leafed cause I never knew about the nutes so I wanna make sure I get it right because these are my last seeds :( ok I was looking at some hydro nutrients kit for 40$ since I'm kinds broke right now that seems best for me but will Rating: 5