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Product description ------------------- This propagator gives roots virtually unrestricted access to oxygen. Yields are typically 3x bigger than if growing in pots. s are placed in rockwool blocks and the roots grow along the ing channel benefiting from superb access to oxygen. ent solution is constantly pumped to the roots, there's no timer to programme.Because virtually no growing medium is used there's nothing to transport or throw away at the end of the season. Gro-Tanks are often referred to as 'pure hydroponics' because virtually no growing medium is used and roots benefit from unrestricted access to oxygen. ent solution is constantly pumped up from the reservoir to the roots in the ing channel and flows back into the reservoir ready to be passed over the roots again. Zero waste – the only growing medium used is the rockwool block the s were started in. This means there's less chance of disease and less waste material to throw away at the end of the season. 3x Bigger Yields - The constant supply of water and ents directly to the roots combined with unlimited access to oxygen means s are ier, faster growing and produce 3x more yield than if grown using traditional soil methods. ier s – s are never under-fed or over-watered and there is no build up of salts in the root zone. Get more out of a small space - Gro-Tanks are just 20cm tall and there's a system for every tent size! Legal Discler ---------------- NFT stands for ‘ent Film Technique', a very shallow stream (or film) of water containing dissolved ents is constantly pumped past the bare roots of s. The main advantage of the NFT system over other hydroponic methods is that the roots are always exposed to a perfectly balanced supply of water, oxygen, and ents. In every other method there is a conflict between these requirements, the optimum a of one results in an imbalance of one or both of the others. The secret to NFT's success is that because very little growing medium is used a thick root mat quickly develops, the upper surface of this root mat is always exposed to the air (so the roots have superb access to oxygen) and the roots are always moist with water and ents. This means that s have access to the optimum a of water, oxygen and ents all at the same time. The result is higher yields of high-quality produce and a longer period of cropping. A properly designed NFT system must have the right channel slope, the right flow rate, and the right channel length. Our NFT systems took many years to perfect, it's no wonder they are Europe's best sellers.