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.
If youâre using CFLâs as your weed grow lights, you are better using more, lower wattage bulbs to spread the light around the plant. You will need to keep CFLs close to your plant as they a have poor light brilliance. Increase your light coverage and penetration by hanging lights around the side of the plant.n this topic you should come out with an understanding of the terms used in lighting, the types of marijuana lighting available for your marijuana grow room, and the light cycles you will need for the different stages of your marijuana plants life cycle.