Those who are engaged in home hydroponics and grows herbs on the windowsill, suggest of plastic containers of different kinds of domestic dry and liquid substances to make a convenient receptacle for the germination of the onions.
Recommend to read
CANISTER-SINK
Sink can be made of ordinary plastic cans of 5 litres and curved, as shown in the figure, a metal tube. Tightness is ensured by a gasket made of thick rubber, is placed in the tube. The...
ALARM
will inform you as soon as will fall the first drops of rain or humidity exceeds the norm. Device "look" and the fluid level in the reservoir tank. Schematic of the device (see...
