Tiny bubbles coming from spray bar

[Jag586]

Just went and checked on my tank and I have bubbles every where coming from my spray bar they are so small I can barely see them they come from the spray bar so I am assuming there's a small air leak before my return pump and the air is mixing with the water in the pump

Well my question is will these bubbles harm the fish? I tried to take pics to post but they are so small they don't show up fish is acting fine I've seen bubbles before but never much worried


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[raubiy]

these bubbles will not harm you fish. But are bad for filtration...
(Reason whay fx6 pushes out air every 12 haurs )
Water pump need vacum and no air leak for its max power