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Owners Name: Leonard Ho
Location: Los Angeles, CA, USA
Year the tank was set up: 1994
Size and Volume of the Tank: 120 gallon, 48" x 24" x 24"
Sump Size: 30 gallons
Pounds of Live Rock: 150 Pounds
Type of Biological Filtration: DSB/"Berlin"
Sand Type/Depth: 4 inches (20 cm) average, mixture of CaribSea Special Grade and Oolitic aragonite
Main system pumps: Iwaki MD30LRT, Iwaki MD30RLXT
Additional pumps: none
Monitoring Equipment: Neptune Aquacontroller
Protein Skimmers: Euro-reef CS6-2
Wavemakers: Sea Swirl, 1" and 3/4" models on opposing sides.
Dosers: LiterMeter III
Chiller: AquaLogic Delta 1/3 HP (plumbed outdoors)
Lamps: Aqualine Aquaspacelight 250W x 2 DE 10K Metal Halides with 4 x 110W URI SuperActinic VHOs driven by Icecap 660 ballast.
Photoperiod:Halides on for 10 hours, actinics for 14 hours
Water Temperature: 78 - 81ºF
Specific Gravity: 1.025
PH: 8.2 - 8.5
Calcium:350 - 450 ppm
Nitrate: variable, generally around 10 ppm
Nitrite: 0 ppm
Ozone: none used
Phosphate: Below detection, although I still have my share of reasonable microalgae growth
Water Changes: Infrequently, maybe 25% a year nowadays.
RO/DI water: Yes - RO/DI
Brand of Salt Mix: Instant Ocean
I feed my fish one ounce of Ocean Nutrition Prime Reef frozen cubes (thawed) with occasional Selcon-enriched live brine shrimp, frozen mysis shrimp, and chopped fresh seafood.