Clicking in my tank
Every once in while I keep hearing this clicking sounds in my tank, most of the time during the night when main lights are off.I been hearing that sounds for almost 2 months now. What could it be?
at first I thought it was a mantis so I start counting my shrimps and snails and their all still there alive and well. And i also observe the mantis that I have and it doesn't click that often not like the one that I hear from my main tank.
And I also thought maybe it is one of equipment, but no.
WHAT COULD IT BE?
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Sean
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