Tuesday 29 October 2013

Growing tanks acquired

I got a couple of plastic containers to use as growing tanks for an ebb & flow setup from Wilkos. It says £5 there, it said £ on the shelf in the store but at the till they were £3.99

The plan is to pump water from a store into one of them through 10mm pipe and have a 22mm overflow connector feed the second one and another 22mm overflow exit that one and return the water to the store. This means that the containers won't overflow.

A second overflow connector in the bottom of each one container will feed into the solenoid valve I ordered yesterday. This will be activated for the drain cycle to make sure that the water stock is completely removed. The water removed in the drain cycle is filtered through an 80 micron passed into the recycling phase where nutrients and pH are set to appropriate levels and other processing such as uv exposure for removing biological pathogens such as pythium can take place.

Separating the flood store from the recycling phase means that the pH and ppm probes can be utilised across multiple growing areas. The probes are the most expensive parts of the system so this reduces costs when scaled. The UV can also be used across growing areas.

The tanks and connectors in the "grow room"

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