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The new JBL ProFlora fertiliser systems are even better than their predecessors: They can now be mounted without using tools (thanks to a new knurled nut at the pressure regulator), have an attractive design thanks to their new silver safety cage and the new key component: a pH computer, which, along with its modern white design, has a touchpad! The solenoid valve, previously installed in the control unit, has been “cored”, so that an aquarium owner who already has a CO2 system with a solenoid valve still can use it.
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