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Thought I'd share this since it's completely eliminated my need to manually adjust PH.
Pictured below is a PH Down drip line controlled by a solenoid switch and a Milwaukee Instruments PH controller. It holds PH in my 20 gallon res at exactly what I set it to. I put some cotton in the brass nozzle at the bottom to get the flow down to about one drop every 2 seconds.
Cost was $148 and it took about 15 minutes to set it up.
Here's...
Automatic PH Control for under $150
Pictured below is a PH Down drip line controlled by a solenoid switch and a Milwaukee Instruments PH controller. It holds PH in my 20 gallon res at exactly what I set it to. I put some cotton in the brass nozzle at the bottom to get the flow down to about one drop every 2 seconds.
Cost was $148 and it took about 15 minutes to set it up.
Here's...
Automatic PH Control for under $150
from Hydroponics / Aeroponics
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