for about 2-3 weeks. Well I had the tank for over 8 years, w/ just gravel & fish. failed growing plants before... giving a send try now. those 4 T-12 (total 160 watts) running 10 hours a day (from 10am - 10pm) just fine gravel for subtrate. I have a HOB(?) Power filter right now, but bout to upgrade to 350 GPH Rena XP3. The algae is not as visible as his, but more like slight browning layer (very thin right now) all over the gravel & around some plants as well... I can post an image if u want... thnx.
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