1. Thermometer probe otherwise nothing, if needed thats where I put my sponge or carbon or phos pad
2. Skimmer
3. Heater
4. Fuge with Chaetomorpha, 2x 7oz mud trays side by side and 10 LED lights 24/7 (for now at least, may go reverse photo period at some point)
5. Pump to chiller...