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thanks for the fast reply what a shame i was hoping to not use a powerbar socket but i can control 1-10v outputs with a ph probe yes ?

also just wondering if GHL has a store that us Australians...

Hi I have a Deltec CR Twin Tech calcium reactor I would like to have a 1-10v output based on my KH director reading

For example

If KH director is reading higher then 8 DKH then output 10v so...