I would use 1/4 srength ferts on young plants, gradually build up
amstron Reviewed by amstron on . Adding fert to soil mixture Hi, Ive got some Bahia Blackhead (KC Brains) germinating, and I'm using 50/50 compost and sharp sand mix as a potting medium (drains really well). I always seem to get some defficiencies after 1-3 weeks of growth, starting with the bottom leaves going pale and then brown and crispy, and then the tips of the upper leaves go brown and crispy too and growth slows down alot. Is it worth mixing some small amount of ChemPak no.2 (npk 25:15:15) into my soil mixture, as when I try and liquid Rating: 5