pH is one of the most important aspects of outdoor growing. Check this out http://boards.cannabis.com/plant-pro...e-answers.html it will get you started on pH knowledge, and how pH problems can be shown as every possible deficiency. We NEED to know your pH of your water, your feed, and your run off.
Chronic Chrissy Reviewed by Chronic Chrissy on . yellow new growth 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? Rating: 5