Adjustable Drip Irrigation Nozzle v3

Note: I have released a better dripper nozzle with superior reliability: See Dripper Nozzle (v4) Adjustable Drip Irrigation Nozzle for 4x6mm Flexible Hose (v3)This is a drip irrigation nozzle for an automatic watering solution that works with low pressure, i.e. use a water tank or a large bottle. The hose can be bought in hardware stores as fish tank hose or on Amazon. Make sure to get a hose with an outer diameter of 6mm (the inner diameter is irrelevant for this nozzle but should be above 2mm). The dripper's water flow can be adjusted with the screw to conserve water and drip really slowly (i.e. less than 1L/h). In my tests a 2L water bottle lasted several days with a single dripper while keeping the ground moist all the time. Note: This model supersedes all my previous dripper nozzles (v1 and v2) due to a superior adjustment mechanism. The older versions drip too much at the beginning and require a piece of cloth to stop the flow. Version 3 now has a truly reliable and finely tu