what is high, i might ask too? i use a 4-12-4 as a suplement and also a 0-12-0 as a flowering fert. it can burn the tips if you are not carefull. 0-12-0 is mixed in the soil and hopefully takes care of the whole flowering stage.
twoguysupnorth Reviewed by twoguysupnorth on . Abnormally high phosphate levels. I'm looking to collect any strong arguments against the use of very high levels of phosphate in flowering. Any and all input on this idea is very much welcomed! Rating: 5