By Bob Goemans
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Owners Name: Tracy Gray

Location: Victorville, California

Year the tank was set up: May 2002

Size and Volume of the Tank: 5 foot long by 3 foot wide by 2 foot depth. Volume about 200 US gallons after accounting for some free board at the top

Sump Size: Modified from a 60 gallon acrylic tank includes a refugium

Pounds of Live Rock: Not sure, enough to build a nice reef flat in the given volume

Sand Type/Depth: 3 - 4 inches mixed sand

Type of Biological Filtration: Live rock with Caulerpa refugium


Main system pumps: Mag drive 1800 in sump

Additional pumps: Two Mag drive 950 hidden behind overflow

Reactors: Homemade reactor and all make-up water saturated with Kalkwasser

Protein Skimmers: Homemade skimmer is 6 inch in diameter and about 6 foot tall. Uses recirculating flow for air aspiration

Monitoring Equipment: Occasional manual checks on pH

Wavemakers: None

Doser: Deltec Peristaltic Dosing Pump

Chillers: Cooling fans and used chiller of unknown make

Refugium: Approximately 30 gallons. Refugium is one half of the sump housing Caulerpa, sand, and some live rock.

Denitrator: None

Trickle Filter: None


Lamps: 800 watts 20,000K radium and 700 watts 10,000K Ushio

Photoperiod: 12 hours on Ushio 10,000K and about 8 hours on radium's


Water Temperature: 80-81°F

Specific Gravity: 1.026

PH: 8.1 - 8.4

Calcium: 450-500 ppm

Redox: Unknown

Alkalinity: 9 - 11 dKH

Nitrate: less than 1 on set up but later really not monitored

Nitrite: Unknown

Ozone: None, but occasionally turned on the UV sterilizer

Phosphate: Essentially 0 by LaMotte

Additives: Kalkwasser, Calcium reactor and Reef Plus on occasion

Water Changes: 7.5 % once per week

RO/DI water: RO - yes

Brand of Salt Mix: What ever I can trade frags for. Usually Instant Ocean


Primarily flake fed three times a day via "Rondomatic" feeder. Some plankton fed on occasion. Some macroalgae fed occasionally. Experimented with various phytoplankton's but later stopped. I didn't really see a difference in the corals and was not trying to keep any non-photosynthetic corals.

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