When using this method always moderately
apply the substance and check the pH. Over time
you will know what measures to use. This is
best left up to the grower as he/she will know
how big their pot is and how much should be
added. Experiment a bit and learn as you go
along.
pH up / pH down:
These products are available in most grow
shops. They actually act as a pH agent for
adjusting your soil pH. They only come in two
forms - pH up and pH down. More and more people
are using these chemicals to adjust their soil
pH.
NUTRIENT CONTROL
Remember NPK? Well, NPK are the primary
ingredients that are needed in soil for
marijuana to grow well. NPK stands for
Nitrogen, Phosphorus and Potassium. In addition
to these there is something called secondary
supplements. Secondary supplements are found