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Oxygen preferences

criptic

Member
Joined
23 Jan 2014
Messages
27
Location
London, United Kingdom
My filter has a little spray bar about 1 cm above the water and creates lots of tiny bubbles onto about half of the opposite side of the tank. My 25l ish cube is about 80% plant cover. Flow rate is hard to judge as I'm running through a cooler. The plants in front waft a little. All my conditions are pretty stable but I'm losing about a crs a week. Could the oxygenation be too low I'm wondering? No air stone in tank. What do you think? They were fine in my community tank with its central column biOrb filter/air column.


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