Hey Corey, hope all is well.I have discovered a thick layer of "sludge" in the bottoms of the farmers pride organics grow and bloom 1 gallon bottles. I discovered this upon emptying the bottles. I have no idea how long they have been like this. I have had them outside in a very cool and dry location in a box with the tops on tight. The plants have not grown as fast as I had hoped outside with the BPN. I think the sludge holds most of the nutrients. I filled the grow bottle with water half way and tried to shake it "loose" to aid separation but I cant shake it hard enough to get it loose, so I am letting it sit. .
What stage are you in flower or veg? for flower fox farm is pretty good I am using big bud. For veg fox farm as well. I dont use nutes during veg I have compost but fox farm for either veg or flower seems to be the best. A lot of people use blue nutrients.