Reservoir Setup

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PiGrower
LED-Curious
LED-Curious
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Joined: Sun Apr 25, 2021 6:48 am

Hi there,
if been following your project for a couple of months now being incredibly fascinated by your superb automation and doing some research myself. Now I reached a point, where I planned out almost everything. So next week Ill start ordering all the necessary parts and start building.
But before that I have a couple of questions which I hope you guys got the answers to.

1. I was thinking about a slightly different Reservoir Setup. From what I remember from the videos, LEDGardener had his Fertilizer-Mix-Reservoir below his freshwater Reservoir. The waterflow from the freshwater Reservoir to the Mix Reservoir was created using gravity and a solenoid valve.
To fertilize/water the plants he used a pump sitting in the Mix Reservoir.

I haven’t yet understood how he prevents the pumps from running dry while at the same time draining the whole fertilizer mix. Therefor I was thinking about setting my Reservoirs up in the way you can see in the picture.
Concept Sketch of my System
Concept Sketch of my System
My main question now is will there be enough pressure for the dripping system. I will be using Bloom Brothers Hydro Halo sitting in 4 plants with a ball valve to control the flow to the individual plants.
Hydro Halo Setup; Credit to CocoforCanabis.com
Hydro Halo Setup; Credit to CocoforCanabis.com
My fertilizer Tank will sit around 50-100cm above the plant pots. Even If I’d use narrow pipes my gravitational water pressure would drop over time to almost 0psi as the water/fertilizer level in Reservoir 1 starts to decline.

So, what do you think about this setup? Have you tried something similar? Am I missing out on something in LEDGs system, which makes my concept obsolete?

2. My second question would be if any of you have tried air stones or aquarium wave makers instead of pumps to generate the waterflow in your reservoir. I was thinking about using either of it due to the lower cost, maintenance and “water temperature generation” compared to a stirring pump.

Looking forward to hearing from you and thanks in advance :)
ljohnso16
LED-Curious
LED-Curious
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Joined: Tue Apr 27, 2021 10:55 pm

you can always use something like https://www.amazon.com/dp/B07R14PCVZ/re ... VW7E418XX0 you can connect with esp32 and a relay.maybe 1 10k resistor

water all the plants individually with your pump. just use node red to close all other routes and do it for every plant you have. do it one at a time.

i have soil and this is how i keep from overwatering, as i check the moisture sensor for each pot 1st

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