Do I need to on air pump for 24 hours a day for Kois?
Hi KOIs rearers?
do you on the air pump for 24 hours a day?
for me, i off it at night after 12 till the next morning.
if i off the air pump, i can't have plants in my container, is it?
at night, plants will take in O2 and release C02.
anybody can advise?
cheers,
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