Added one of the gyres this week. It works well, vertically, but I couldn’t raise it above 10 %, so the sand had to go. Large water change yesterday. Siphoned out 3/4 of the sand. I’ve been intentionally over feeding the gargantuan green BTA (18”) in hopes of a split with no success. So while I was doing the water change, I picked him up, rock and all, and set him on a wood plank outside the tank for about 30 min. Success! I stressed it enough to split last night. Now I have two green beasties. Tank looks so much more blue with parts of the bottom glass showing. Far less white reflection. I’m curious to see how the nems respond to the diminished light. Granted, I’m still pushing the vega at 100%, 12 hours a day. I found someone on R2R that’s selling me a director for $75. I’m gonna dim the whites on the Vega a bit in the evening for some more blue pop. Gonna give it another week before I siphon out the rest of the sand, but the single gyre is pulsing at 30% now. I probably won’t need more then that once I add the second gyre. My biggest complaint with the gyres is that I can’t sync them without a controller. I’m thinking about building an arduino board to control their power, alternating between the two every 3-4 minutes. What I really want to do is have them on an “off” sync where one is on/off every 2-3(or ???) min and the other is on/of every 3-4 (or ??? Greater than the other) min with a direct overlap every 18 hours, to match tide cycles. Pics for your time: Sent from my iPhone using Tapatalk