Precipitation - Measurement. 1  The standard way of measuring rainfall or snowfall is the standard rain gauge, which can be found in 100 mm (4 in) plastic and 200 mm (8 in) metal varieties. [74] 2  Other types of gauges include the popular wedge gauge (the cheapest rain gauge and most fragile), the tipping bucket rain gauge, and the weighing rain gauge.
Best lighting for indoor cannabis growing. LED lights. Indoor weed growing lighting methods have been changing lately do to technological developments and discoveries of how different light spectrums are used my cannabis plants.Simply sticking a bright light over your plants for the duration of their grow and flowering cycles is longer seen as adequate.ith the development of CFL grow lights the need of use of HID lighting has been by and large replaced. LED (Light Emitting Diodes) lights. The development of LED lights for growing is still in its infancy but holds the greatest promise for the future due to the huge saving in electricity costs.
Marijuana Light Cycle. Indoor Growing. To start your plant flowering when growing indoors, you need to mimic the lighting conditions found in Fall/Winter. This means taking the plant from the 18/6 marijuana light cycle used in the vegetative growth stage, and changing it to 12 hours light/ 12 hours darkness.