Archive for March 24th, 2008
Monday, March 24th, 2008
Understanding pH for Hydroponic Growing
By: Michael Straumietis
PH is a way of measuring the acidity or alkalinity of a substance. The scale for pH readings ranges from 1 to 14. Unadulterated water registers a completely neutral reading of seven. A reading of seven means that the number of acid ions is totally equal to the number alkaline ions present [...]