£41.90 Buy It on eBay for only: £41.90 Buy It Now on eBay Best hydroponics products on ebay Don't forget to check out our cannabis classifieds listings at classifieds.potads.uk grow products
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
read more