Aqua Design Amano 90p. This tank utilizes branch wood with unzan stones. I dose ADA brighty K daily, and Iron once, or twice a month. Substrate: ADA Amazonia Sand: ADA La Plata Sand Water Sterilizer: Twinstar Nano + Surface Skimmer: ADA Vuppa CO2 Diffuser: ADA Beetle 30mm CO2 Bubble Counter: ADA CO2 Beetle Counter CO2 Check Valve: ADA Cabochon Ruby CO2 Regulator: GLA SS Pro-1 with 5lb tank