Atitagain Posted April 11, 2022 Share Posted April 11, 2022 I think the answer is, wait and see. my tanks in the last year get almost 0% natural sunlight. I have black out curtains and had window blocked with finished plywood. I’ve opened the curtain up and want to use natural light for my house plants. This is south facing with direct light from sun up to about 80% of day. i will be adding a side panel and a shelf for sure.(Red) shelf will hold more plants ect. 1) the tank directly in front of window is full of vallisneria, am I asking for algae? Could I only use sun light to grow val? Even removing background to allow more light if needed. 2) Ambient light kinda fills the room if I allow it too. I don’t want to change lighting schedule for every tank most are all n a siesta light cycle and doing very well. Even tho I wouldn’t mind some algae growth of its yo much I could cut light to vallisneria tank area easily by adding plywood behind background and making a removable/ hinged back panel. (Yellow) and even adding some blackout curtains to block a lot of ambient light (Blue) don’t really want to add curtains but I think I could make it look good they would only be closed during daytime hours and I do most viewing/ work in evenings. Let me know what you think I’ve never used sunlight, always have avoided as much as possible. 1 Link to comment Share on other sites More sharing options...
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