M mwinpp Member Aug 11, 2021 #1 Hi guys! I want to start some seeds in solo cups. I have promix and compost available. What would you recommend? Straight promix or maybe add in 10% slow release compost?
Hi guys! I want to start some seeds in solo cups. I have promix and compost available. What would you recommend? Straight promix or maybe add in 10% slow release compost?
hotrodharley Well-Known Member Aug 12, 2021 #2 Pro Mix alone. However Black Gold Seedling Mix is the best.