so my new growth is yellow.so far it is still growing well but.......whats wrong.i think i read that sulfer defeciency causes this.true?if so how do i fix it?thanks.
p.s. soil is perlite vemeculite worm castings bat shit peat and lime.
water with r.o. with guano and sweet added weekly(light shit recomendded sweet)
it does get in the high 90s sometimes...could that be it?