Hydroleca, available from Notcutts is made up from hard smooth pebbles with a honeycomb centre produced by expanding clay granules at over 1200 degrees. The main benefit is it absorbs water and releases it slowly insulates plants due to its cellular structure.
Hydroleca, available from Notcutts is made up from hard smooth pebbles with a honeycomb centre produced by expanding clay granules at over 1200 degrees. The main benefit is it absorbs water and releases it slowly insulates plants due to its cellular structure.