Ultum Nature Systems 20c

UNS 20c low tech aquarium. Monte carlo carpet. No fertilizers, nor CO2 has ever been used on this aquarium. The monte carlo is UNS tissue culture. Initial dry start period of 4 weeks. A filter was used sparingly. The substrate is ADA Amazonia Light. Elephant Skin Stones. The tank is basically retired and now it sits as a quarantine tank.