Hello! I had a 29 Gallon reef for about 2 years. Hang on back skimmer, no sump, and I kept it in good shape with about 5 soft corals, two clowns, a strawberry dottyback, a couple scarlet shrimp, and an emerald crab. Due to circumstances outside of my control I no longer have that tank so I’m setting up a new 88 Gallon Red Sea Reefer XL 425. Total volume is ~112 gallons. Initial equipment: 2 x Kessil A360WE 2 x Vortech MP40-QWD Reef Octopus VarioS-4 DC Return Pump ESHOPPS S-200 Skimmer 8 x 8 x 4 Marinepure Block ~65 pounds Live Pukani Rock ~2.5 Inches Fiji Pink Argonite sand. I have been up all night setting everything up.