The UG filter and sponge filter always operate in my tank but while feeding my fishes i turn off all the filters just to avoid the misplacement of the pellets.After 5-10 mins i turn on the internal power filter for 3-4 hours and then turn it off and starts the sponge and UG filter again. Is this a safe method? Would it harm or kill the beneficial bacterias if the sponge and UG filters are powered off for 3-4 hours(for day and for night again 3-4 hours during feeding i.e. total of 7-8 hours per day)?
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