What percentage of the tank would you say is high movement? What percentage is relatively still or low movement? Mostly low-move with a bit of active water can be fun for a Betta. Someone on here wrote recently that his Betta loves to dash through the bubbles like a kid in the sprinklers, and I too have found that mine, with mostly no movement, occasionally like to go for an action-packed moment of jumping over the bubbler.
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