Fish water benefits?

Anybody use the water from their freshwater fish tank after water changes for anything beneficial ??

If so, what benefits ?

Maybe wrong section… sorry!

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It’s not quite the wrong section but there is an entire aquaponics section about growing with fish , you have to really know what your doing though since it’s basically hydroponic hard mode

Not so much fish water but I did use my ducks pond water on the days I changed the water and my plants thrived