yes_i_like_pie Posted October 16, 2022 Share Posted October 16, 2022 Hi, About 6 months ago I set up a 10g fishbowl as an ecosystem tank. No heater or filter. It has shrimp, endlers, snails, and some minnow. I love this tank and it's by far my favorite. Pic attached. I want to set up one of my other tanks similarly but it has some tropical fish that need warmer temperatures and heating the room isn't an option. Does anyone have advice on how to heat this tank with minimal added equipment? My understanding is that if the tank has a heater it also needs a filter, or at least something to move the water around. My goal truly is to limit tech as much as possible. The tank is a 12g long bookshelf tank. I welcome all advice and suggestions. 2 Link to comment Share on other sites More sharing options...
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