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TIPS ON USE Clay pebbles can easily be re-used, simply soak in a solution of hydrogen peroxide to get rid of any old root material, then repeat the washing and buffering process that you would normally do after buying a new bag. It is ideal to root a into a rockwool block before going into clay pebbles. A 3” or 4” cube makes the perfect starting point for a y root zone to then be ed directly into clay pebbles. Make sure the bottom of the block is sat almost dead on with the flooded water level, to ensure it does not become too wet or too dry between irrigations HOW THEY WORK Growing hydroponically is all about using a media that will supply the roots with a higher level of oxygen, while providing an adequate supply of ents and water in a more efficient way for the . The air pockets in between each clay pebble and the micro pores within each pebble themselves means that there is always an extremely high level of oxygen available to the roots. The higher the level of available oxygen in a pot, means the higher the potential for ent uptake by the . It is not simply down to the increased level of oxygen in the pot though, the way in which a media physically holds on to water also drastically effects how a will grow. The simple act of taking the water from the substrate by the root is extremely significant and most of the time, completely overlooked. Each type of media will hold onto its water content with a different level of force. Peat based mixes, for example, generally require a higher a of force from the roots to take up the same a of water when compared to hydroponic media. The force required to take the same volume of water from clay pebbles is much less, meaning the has more energy left over to put into production of flowers – meaning a potentially bigger yield! Clay Pebbles are classed as an inert growing media. This means that they contain no available nu