Shrubblers are the next best thing after drippers. I had 65 of these coming off one 13 mm poly pipe and with my poor water pressure I was getting a stream of about one inch from each of the 5 outlets of each shrubbler. Whilst that was acceptable as they were replacing a dripping system, I decided to divide it into two systems so now getting a stream of about 3 inches. Perhaps if the initial 65 were coming off a 19mm poly pipe I could have got a better first result. One word of advice when installing. These shrubblers come half unwound so when you push them into the poly pipe you force the head closed down to the base. This may strip the thread and cause problems later when you are adjusting the stream so I suggest you wind them down fully prior to forcing them into the poly pipe. A great product for steady soaking at a much faster rate than drippers and can be adjusted for more or less flow for each plant.Read full review
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