Summary ppm stands for parts per million and is the most common domestically used unit when measuring TDS.EC stands for electrical conductivity, which is a measurement of the ability of something to…

Summary Water can be obtained a variety of ways - most commonly tap/municipal, well, and rain. Content varies greatly but all contain contaminants.Filtration is commonly used to clean water for use…

Silicon: The Misunderstood ElementWhat is silicon?  Silicon is perhaps more misunderstood and under appreciated than any other element. Widely viewed originally as an element not essential for p…

Foliar Feeding 101Is foliar feeding the same as foliar spraying? Yes!Should I foliar spray cannabis? Yes!Can I foliar spray cannabis in vegetative and bloom phases? Yes! But only up to 14 days in…

What are heavy metals? Heavy metals are metallic chemical elements that have high densities and are toxic even at low concentrations. These are naturally found in the earth’s crust, so it’s inevi…

Summary 2-5ppm of free chlorine proves to be the minimum effective concentration.5ppm free chlorine is the most efficacious for a wide variety of plant species.Levels as high as 20ppm of free chlorin…