Picture Page 11
Typical hydroponic systems farmer.
|This is what I use to read the pH and PPM. I get an instant digital read out of my nutrient solution. Cost between $50. and $100.|
|Here is a model of the beginning of the hydroponic greenhouse project.|
|For a 12 ft. wide greenhouse I will use two exhaust fans even if the greenhouse is 8 ft. long or 100 ft. long.
The timer has 48 pins that you can pull up for every 30 minutes of on time. So if you pulled up every other pin then the pump would be on a half hour and then off a half hour. Some timers have a switch to run it all the time. Make sure that the switch is set to timer mode.
|I have discovered that a 2 liter bottle cap fits perfectly in a 1 inch PVC
fittings with a piece of thinwall PVC pipe that is 1 1/8 inside diameter.
1 inch cost more but just think of removable cups with no leaks. New 11 Plant Garden
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