Used as a cleaning agent, wetting agent, or insecticide - all soap used in horticulture should be biodegradable.
Threaded, wired holder for a light bulb.
A growing medium made up of mineral particles such as vermiculite, perlite, sand, pumice, etc. - organic moss is often a component of a soilless mix.
Able to be dissolved in liquid, especially water.
A mixture of two or more solids, liquids, or gases, often with water.