Take the plastic tube, you become the air pump. No, I am serious.
Just blow blow a while, the fish will last longer.
Once power recovers, you can go taobao look for the Lithium base air pump, use third party to bring in. Look for those with USB charging ports type or at least a 2.5mm or 3.5mm charging head. Got compatible cabling available.
Meaning power outage can use power bank to operate.
2nd method, use a cup scoop the water, pour into HOF. The water coming out will generate some oxygen. So this is another method. Do it every 45mins-60mins for 5mins.
and that is a Effing bad video from a listed company.
no lab, no table..no timer..need to do on a ledge
and from the test.the packet of no brand one does its job also.
and in a betta tank..this kind of results, real world tank
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