By Bob Goemans
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John Li's Aquarium


Owners Name: John Li

Location: Pasadena, CA, USA

Year the tank was set up: 2003

Size and Volume of the Tank: 72" x 24" x 30" (L x H x W), 225 gallons

Sump Size: 100 gallons

Pounds of Live Rock: about 200 pounds

Type of Biological Filtration: Berlin/Refugium

Sand Type/Depth: 2.5" - fine sand


Main system pumps: Dolphin Aqua Sea 3000

Additional pumps: Dolphin Aqua Sea 3000

Monitoring Equipment: Neptune Systems AquaController II

Protein Skimmers: AquaC 400

Wavemakers: 4 Sea Swirls

Dosers: Reef-filler with occasional Kalkwasser powder added.

Chiller: Aqua Logic Delta Star Titanium Inline Water Chiller

Heater: 2 x 250W Ebo-Jager heaters

Refugium: Yes


Lamps: 3 x 10K 250W metal halide powered by PFO HQI ballasts; 4 x 96W 7100K Blue PowerCompact.

Photoperiod: 12 hours for actinics and 10 hours for MH.


Water Temperature: 80ºF +- 0.5

Specific Gravity: 1.025

PH: 7.9 - 8.2


Redox: 350

Nitrate: not measurable

Additives: None

Water Changes: Every 4 - 5 weeks/40 - 50 gallons

RO/DI water: Yes, both

Brand of Salt Mix: Tropic Marin


# Tangs: One each-Power Blue; Purple; Yellow; Tomini; Chevron; & Desjardinii

# Wrasses: One each-Scotts and Golden & two fairy wrasses

# Anthias: 6 various

# Misc.: 1 Blueface Angel; 1 Flame Hawk; 2 Golden Stripe Maroon Anemonefish; 1 Green Mandarinfish

# Many snails and hermit crabs, 4 Crocea clams, many SPS and LPS


Usually feed twice a day with variety of frozen food including some home made foods.


Clean algae using a magnet once every 2 - 3 days. Change filter bag and sponge once every 2 weeks. Clean up edge and bottom rarely. Monitor temp, ORP and pH continuously. Check salinity occasionally and calcium, nitrates and others rarely. No problem areas so far.


All photos by Greg Rothschild (

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