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STONEWOOL

WHAT IS STONEWOOL?

Stonewool is a natural mineral product, spun from melted basalt rock, a stone wool product.  It is used as a growing medium, start to finish growing in one medium.

Stone wool propagation blocks are designed for both seed and cutting propagation, for initial plant production prior to transplanting into larger growing blocks, with no root disturbance. Lettuces and a range of herbs and small plants can be grown in the propagation square cut blocks in both NFT and flood/drain units without any other media being used, no loose media to get into the upper leaf area on transportation to the consumer, it arrives clean and free of contamination.

Tomatoes grown in the larger cubes are ideal for direct planting in the NFT panda film systems, and run to waste systems use the same cubes either placed onto rockwool or coir slabs, or into the PB bags with pumice or similar media.

It is possible to heat the root zone by heating the nutrients and by having the slabs heated.

KEY ADVANTAGES OF STONEWOOL

STERILITY & CLEANLINESS

Stone wool starts out sterile, free of pests and diseases, no expensive sterilization is required.

ROOT ENVIRONMENT QUALITY

It has excellent water retention and air to water ratio for a good root environment.

VERSATILE CROP SUITABILITY

It can suit flowers, vegetables and fruit production, because it's very versatile.

COST EFFECTIVE

Stone wool is a very cost effective growing medium, suiting both seeds and cuttings.

OPTIMAL WINTER GROWING

This product is a warmer growing medium than soil beds, combined with better water content control providing the ideal winter growing medium.

NUTRIENT & CONTROL

Stone wool has no soluble minerals present, so fertilizer control is very easy, especially with fully balanced hydroponic nutrients.

AVAILABLE FORMATS

It has many forms, propagation blocks, and growing on cubes.

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