Volume: 3 Gallons / 11 Liters
Dimensions (L × W × H):
11.8" ×
8.9" ×
8.0"
29.8cm ×
22.5cm ×
20.3cm
For a small pico reef like a 3-gallon tank, LED or compact fluorescent (PC) lights are great options. Ensure the light fixture has adequate wattage per gallon; a 36W dual daylight and actinic setup works well to support various coral types. Additionally, consider a light schedule that allows your corals to thrive — a photoperiod of 12-14 hours is common.
A modified AquaClear 70 is an excellent choice for pico reefs. It can accommodate filter floss, Chemi-Pure Elite, and chaeto for nutrient export. Additionally, consider using a reverse photoperiod for your refugium lighting to maintain stable pH levels.
Aim for a water flow of 10-15 times the tank's volume per hour. For a 3-gallon tank, this means between 30-45 gph. Using a Rio 50 powerhead along with your filtration system can help achieve this, providing turbulent flow that keeps detritus suspended for easier filtration.
Regular maintenance is crucial for the health of your pico reef. Conduct half a gallon weekly water changes, or increase to two changes per week if keeping SPS and LPS corals. Rinse filter floss weekly and tumble chaeto for nutrient export. Daily tasks should include freshwater top-offs and checking water parameters like temperature.
Cleaning your tank is vital for its aesthetics and health. Use a turkey baster to blast sand and rocks to dislodge detritus, and regularly wipe down the glass to prevent algae build-up. Keeping your equipment clean and your tank free of debris will help improve overall clarity.
Feed invertebrates every other day with high-quality shrimp pellets to maintain their health, particularly sexy shrimps. Once a week, you can spot feed corals with a broth made from tank water and a coral supplement like Seachem Reef Plus combined with frozen foods. This can help ensure both corals and invertebrates get the nutrients they need without overfeeding.
Introduce new corals or livestock slowly to avoid overloading your tank. Adding one specimen at a time allows established creatures to adjust and helps you monitor water quality. Make sure to research the compatibility of each species to prevent predation or territorial conflicts.