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Wall Clips Pack of 10

We've designed these aluminium Wall Clips for use with the Gardena ½" (13mm) Supply Tube to hold the tube securely against greenhouse walls. 
Each 'clamp' is supplied as a flat piece of aluminium measuring 4" (10cm). The aluminium is flexible enough to allow you to bend the 'clamp' to suit your requirements whilst retaining its shape.

Use the 7/16" (11mm) cropped head bolts & nuts supplied to fit through the holes of the 'clamp' & slot into the glazing bars of an aluminium greenhouse - for wooden greenhouses substitute the bolts & nuts with washers & woodscrews (not supplied).

Supplied as a pack of 10.

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The Science Behind This Hydroponic System

The Vivigrow uses the hydroponic method 'nutrient film technique', so-called because a constant stream or 'film' of nutrients is pumped past the roots. This is the purest form of hydroponics and the most effective because it offers optimum access to and uptake of water, nutrients and oxygen.

Hydroponics is the growing of plants without soil and providing plants with a nutrient feed which contains all the elements that plants need, so that plants are able to focus their energy on growth and fruit production rather than on searching for nutrients and extracting them from soil.

The principle behind all of our hydroponic planters is that improving uptake of water, nutrients and oxygen improves plant health and size of harvest. Our hydroponic planters achieve this in the following ways...

1: Nutrients are dissolved in water rather than requiring the plant to extract them from soil.
2: The water and nutrients are pumped constantly or very frequently directly to the roots - whatever they don't use drains back into the reservoir.
3: Access to oxygen is optimised by leaving the roots 'bare'.

Why not use soil? Soil is great for holding water until a plant is next fed and for providing nutrients. On the negative side, plants have to work hard to extract nutrients from soil and these nutrients can become depleted or concentrated. Soil also restricts access to oxygen because it becomes compacted when water is added. By pumping a complete hydroponic feed dissolved in water to the plant roots we are able to ensure the plants can always access what they need but without having to restrict the roots in soil.

Hydroponics is a method of growing plants using mineral nutrient solutions, in water, without soil. Terrestrial plants may be grown with their roots in the mineral nutrient solution only or in an inert medium, such as perlite, gravel, mineral wool, or coconut husk. Researchers discovered in the 18th century that plants absorb essential mineral nutrients as inorganic ions in water. In natural conditions, soil acts as a mineral nutrient reservoir but the soil itself is not essential to plant growth. When the mineral nutrients in the soil dissolve in water, plant roots are able to absorb them. When the required mineral nutrients are introduced into a plant's water supply artificially, soil is no longer required for the plant to thrive. Almost any terrestrial plant will grow with hydroponics.