Every time I do a water change, I suck up like 30-40% of the water and I only clean half of the gravel? What can I do to avoid so much water form being sucked up?
Also, all the waster from the gravel that doesn't get sucked up floats in the water for a good 30 mins. Is this harming my fish?
Also, all the waster from the gravel that doesn't get sucked up floats in the water for a good 30 mins. Is this harming my fish?