Hydroponics gardening guide – growing mediums used in hydroponics – HOW TO USE ROCKWOOL
Filed Under : Gardening by ratna
Sep.17,2011
The most widely-spread growing medium is, perhaps, rockwool. Originally used for insulation purposes and also known as mineral insulation, rockwool was first used as growing medium by Dane gardeners. Now, it is frequently used for drip-style indoor gardens around the globe.
Rockwool is produced by a process similar to making cotton candy: a particular mixture of sand and rock is melted and then turned into fibers by spinning the mixture to form products of multiple shapes and dimensions, from 1″ starter cubes and up to large slabs of 3″x12″x36″ in size. The variety of available forms and sizes turns rockwool into one of the most widely-used growing mediums.
Key advantages, as well as disadvantages, of this popular growing medium are listed below. Read More…
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