KittenFishMom Posted April 21 Share Posted April 21 (edited) The afternoon sun has started to hit one of my fish tanks. In a few weeks, the tree out front will leave out and the direct sun will no longer hit the tank. I don't mind living with green water for a while. But how bad is it for the fish and the tank? Do I need to buy a UV filter? I can cover the side of the tank that gets the direct sunlight. I also have a light over the tank to help the water lettuce and java moss. This tank mostly has cory fry that a breeder should be taking soon and some snails and a male betta. ACO website says blacking out the tank for a week or getting a UV filter. Neither is very appealing to me right now. What do you advise? Edited April 21 by KittenFishMom Link to comment Share on other sites More sharing options...
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