Requires nutrients. Nutrients are fertilizer. Costs money . No free lunch….
5x cost inscrease. That is only a part of the cost of food, but expect double easily by year end.
How much of the nutrients requirements is about efficiency? Tap water contains minerals.
Microgreens are not calorie dense though.
Nutrients from the talapia farm
What do you feed the fish?
They eat kind of anything, including the algae that forms in your pond. Generally, it's always going to be something less volatile than fertilizer
https://st.exportv.ru/photo/graph-price/1/index-price-food-for-fish-history-2021.jpg
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