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Using sensors in hydro towers

hbees0n

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Nov 1, 2025
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Hi! I’m growing chili peppers in a tall hydroponic tower and added simple sensors to check water and nutrients at each level. The results are surprising, plants at the top dry out faster and the bottom ones get less nutrients.

Is anyone else using sensors like this? Do you think it really helps or is it too much for a small setup?
 
That’s a smart move! Happened to me before, too. The sensors helped me change pump timing and flow rate which made a big difference. For small setups, I think they’re worth it if you’re growing sensitive or high-yield crops. Have you tried adjusting your watering intervals yet?
 
Hi! I’m growing chili peppers in a tall hydroponic tower and added simple sensors to check water and nutrients at each level. The results are surprising, plants at the top dry out faster and the bottom ones get less nutrients.

Is anyone else using sensors like this? Do you think it really helps or is it too much for a small setup?
I think this is normal because of the tower's design. Water is pumped to the top and trickles down, so the plants at the very top will be more exposed to air and gravity. I think you just need more frequent watering or to make adjustments.
what type of hydroponic system do you have? closed loop system or open loop system?
 
yeah, it's not a bad idea at all. focus your adjustments on the watering schedule and flow rate to minimize the time difference between the top and bottom zones. faster, shorter cycles usually lead to a more uniform nutrient distribution in vertical towers
 

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