This video shows preparation of a nutrient mix for watering plants in a semi-hydroponics setup. This includes how to mix 3 brands of liquid fertilizers in filtered water, and soaking LECA that has been previously sun dried/baked outdoors. Below are products I use for semi-hydroponics (Amazon affiliate links):
LECA:
Grow!t 10 liter bag: https://amzn.to/3fmGH1v
Grow!t 25 liter bag: https://amzn.to/3rMM7Yp
Grow!t 40 liter bag: https://amzn.to/3pDlRi9

Fertilizers:
Liquidirt (organic): https://amzn.to/3iOhEqm
Marphyl (organic): https://amzn.to/3xb4Xu5
General hydroponics: https://amzn.to/3vvmLyM
Net pots:
Truedays clear orchid pots: https://amzn.to/3vm6agx
rePotme clear orchid Pots: https://amzn.to/2TtwBnh
AxeSickle 3 Inch Plastic Net Cups: https://amzn.to/2UbCgPp
Kits:
pH control testing kit: https://amzn.to/3glHj8r
Gardening kit: https://amzn.to/3iGaTqF
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