Sounds familiar
Like wise my time is 20 - 30 min a day on existing systems, I am also retired do to disability and then turned back to hydroponics (had system homemade flood and drain 20 or more years ago) for something to keep myself busy. The time spent in research and development of new systems is where it really adds up. I totally enjoy this hobby and am thankful for the knowledge and comradery that this site offers. Thank you all for that.
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