Using Coco as a Substrate Coco produces excellent results for the soilless grower; it is comparable in result to hydroponics systems. It is a great alternative to the soil grower…

Capillary Matting What is Capillary Matting? Capillary matting is an absorbent fabric upon which pots are placed. Typically, plants are top fed with the runoff being absorbed by the matting.…

Treating old soil How to properly clean your dirty old soil! Disclaimer: I’d like to say that none of the information provided has been discovered by myself. I just did…

Soil Food Web Unseen beneath our feet, there dwells a teeming microscopic universe of complex living organisms that few humans ever consider. In one teaspoon of soil alone, there may…

Maximizing root growth in soil containers Root growth/mass (all other factors being equal) Space is also one of the major concerns for indoor growers, who generally cannot move to bigger…

Water Absorbent Polymers What are polymers and what are water-absorbent polymers? A polymer is a string of repeating molecules that forms a long chain. DNA is a polymer, as are…

Measuring the pH of soil / soilless runoff How to test the pH of your soil mix Measuring the pH of soil is just as important as with hydro applications,…

Nutrient Lockout Nutrient lockout happens when your plant can not access specific, or all nutrients in the growing medium, this is due to a chemical reaction within the medium/solution which…

Best Water for Growing Marijuana Most growers will have no problems using tap water. You can have the tap water analyzed to determine if it will give you problems or…

Watering clones and seedlings in rockwool How do I know if the rockwool cube requires watering? To get watering of rockwool cubes absolutely right, use scales. Weigh a dry cube.…

pH Buffer Chemical equilibrium To more deeply understand pH, we must first explore the concept of chemical equilibrium. The pH of pure water is considered neutral, because this is the…

What is pH? The pH scale measures how acidic, or how alkali a given solution is. The term pH can be broken down into two parts; the first is the…

Raising or Lowering the pH in the Soil Mix Growing in soil and adjusting pH levels A lot of gardeners have trouble with the pH of their soil. A high…

Difference Between PPM and EC Total Dissolved Solids (TDS) is the best measurement of the nutrient concentration of a hydroponic solution. To estimate TDS, one can use a meter that…

Earthworm Castings FAQ What Are Earthworm Castings? Earthworm castings are the material deposited by the earthworm after the material passes through the digestive track of the worm (worm manure) Why…