this post was submitted on 21 Jul 2023
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Hydroponics

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Hydroponics: a subset of hydroculture, the method of growing plants without soil, using mineral nutrient solutions in a water solvent. Terrestrial plants may be grown with only their roots exposed to the mineral solution, or the roots may be supported by an inert medium, such as perlite or gravel. The nutrients in hydroponics can come from an array of different sources; these can include but are not limited to byproduct from fish waste, duck manure, or normal nutrients.

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I'm a total noob and built my first hydroponic setup out of PVC and a bucket (and my 3D printer). I started this a lot later in the year than I had hoped, but I figure I'll finish it off in the basement with some UV lights if it gets later in the year.

I'm in Western Canada and the temperatures have been quite warm in the past week. About 36-37C (mid to high 90F?). I have a small fountain pump that keeps everything pretty well moist at all times. Reading would lead me to believe they're not getting enough water, but as you can see the pods are saturated. The other thing I've noticed is the leaves are a bit yellow.

I am doing water changes every 2 weeks and fill the bucket once or twice a week. Every 2 weeks during the water change I have been adding a 2 part fertilizer to the bucket in a low dosage called Quick Grow 1-2-4 GROW (part 1) and Quick Grow 2-0-0 PRO NITRO (part 2).

The only other thing I am thinking is maybe it needs to be out of the sun for a bit longer in the day as it's getting cooked. I could be totally wrong, but the fact the plants are smaller than they should be at this time of year means maybe they're not as hearty as they would be in this heat if I had started sooner?

I'm open to learn and appreciate any feedback. Thanks!

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