For the past month, I've been trying out something new and that is keeping scallops in the sump. It acts sort of as a water filter for the display tank as I've seen dirty water get cleared up in a few hours without any filtration but just by having scallops/mussels in the tank. First I had to block off the filter wool cup part where the scallops could get trapped at, I bought a simple egg crate and cut it to fit the part where the gap is. For the front part of my sump now, it only consists of filtration cup with wool, some rocks, a wavemaker for flow, a frag rack and scallops. Scallops seem to be doing good for the past month without any special feeding or lighting so I shall call it a success I guess? [emoji1] I've recently also gotten a pair of Helmet Picasso Clownfish. They have taken a liking to my gonio garden and have been sleeping in it ever since they were introduced. Luckily my gonio does not close up as it is quite seasoned to take the clownfish's aggressive rubbing against it's polyps as I've previously had a pair of clownfish which also does same. A fts update of the 350 (14 months without water change) The 10G Nano Tank "Big Trouble in Little China" has been doing awesome as well. It is a softie only tank with a single AI prime lighting the reef. No skimmer is running but I do have a 5w UV in the filtration compartment. The tank also has a single mangrove plant for nutrient control too. So far this tank has been running for 8 months without any fish but just corals and I've only done 2 water changes as I'm not dosing anything. The temperature for this tank is at 24.5 - 25.5, same as the temperature I have for my reefer 350.