i just went into my room and noticed that on the side of the tank that the filter is at, theyre are piled up bubbles suroundinng the filter, the bubbles arent big or anything, they kind of look like when you wash a cup with dish washing soap and you fill it up with water how theyres bubbles in the cup, i probably shouldnt be worried but im still kind of concerned...
its a cheap filter that i bought for 24 bucks, its a whisper 10 something filter i lost the manual so i dont know the exact name..i just find out weird because the filter normally doesnt do that oh and another thing i just went into my room again and theyre was no more bubbles?
what can this be?


