If a Topspin 12 is not suitable for the 25mm irrigation system that you wish to construct, then it is possible to create your own custom drippers using a few simple tools. Because of the high flow rate of the Professional AQ7000 25mm Pump, it is possible to use a PCB (Pressure Compensating Button) which only allows liquid to flow through it at a certain pressure and at the indicated flow rate. These can be attached to 25mm ZPE using our Quick Cut Hole Gun, and from there simple 4mm delivery pipe and a Fast Flow Blue Drip Stake will complete your dripper. These PCBs will not work with smaller pumps than the AQ7000 as they do not create enough pressure.
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