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Felicia’s 40 Gallon Mixed Reef Predator Tank

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About the Owner

I’ve been involved in the aquarium hobby ever since my dad helped me set-up my first freshwater tank when I was four years old. I’ve had freshwater aquariums all my life, but being an avid scuba diver, I’d always wanted a saltwater tank to have my own piece of the ocean in my home.

Back in 2011, a friend directed me to the online forums, and after a bunch of reading and research, I decided to set up my first saltwater reef aquarium. I’ve been hooked on the saltwater reef aquarium hobby ever since, and I have had several different tank set-ups over these last 4 years.

After a tank crash and several set-backs I was discouraged and burned out, so I wanted something new to reignite my passion for reef aquariums. After some research, I decided to try something unique and house lionfish in a mixed-reef environment.

– Felicia Svedlund


Display Tank Volume 40 Gallons
Display Tank Dimensions 36″ x 18″ x 17″
Glass or Acrylic Glass
Sump Volume 20 Gallons Long DIY Sump
Stand Type or Material Aqueon Black Classic Pine Stand


Main Return Pump Jebao DC 3000
Water Return Type Single 3/4″ return with Loc-Line nozzle
Overflow Internal 700 gph overflow drilled through back glass, single 1.5″ drain
Powerheads Ecotech Vortech MP10 ES & Ecotech Vortech MP10 Quiet Drive

Controllers & Monitors

Aquarium Controller Finnex Maxx-300 Digital Heater Controller
Heater 300W Finnex Deluxe Titanium Heating Tube
Auto Top Off JBJ ATO Water Level Controller, Tom Aqua Lifter Vacuum Pump


Protein Skimmer Reef Octopus NWB 110
Biological Filter TLF Phosban 150 Reactor
BioPellets TLF NPX Bioplastics
Refugium Chaetomorphia algae
Live Rock in Display 28 pounds of cured Florida live rock & 10 pounds of Real Reef Rock
Live Rock in Sump Dry rubble rock
Substrate 40 pounds of Caribsea Arag-Alive Figi Pink Sand

LED Maxspect R420R 27″ 160W 16K
Lighting Controller Built into Maxspect R420R fixture
Refugium LED Maxspect R420R Nano 10K LED light
System Parameters

Temperature 79° F
Specific Gravity 1.025
Alkalinity 10dKH
Calcium 450 ppm
Magnesium 1400 ppm
Test Kit Brands Salifert Alkalinity, Calcium, Magnesium, Phosphate, and Nitrate Kits
Nitrate 5-25 ppm
Phosphate 0-0.03 ppm
Resins or Devices Used to Control Nitrate/Phosphate TLF NPX Bioplastics in a TLF Phosban 150 Reactor

Maintenance & Dosing

Water Exchanges 25% weekly water changes
Water Tests Monthly or as needed
Resin Replacements Refill biopellets as they are consumed (once every couple months)
Salt Mix Instant Ocean Reef Crystals
Dosing Jebao DP-4 4-Channel Dosing Pump
Additives E.S.V B-Ionic Alkalinity, Calcium, and Magnesium


Fish Frozen food is fed every other day (PE Mysis and a homemade seafood blend). On the days that frozen food isn’t fed, I put in a piece of nori sheet for the tang.
Coral Acropower is dosed 3 times a week; occasional broadcast feeding of Coral Frenzy


  • Fu Manchu Lionfish (Dendrochirus biocellatus)
  • Dwarf Zebra Lionfish (Dendrochirus zebra)
  • Antennata Lionfish (Pterois antennata)
  • Snowflake Eel (Echidna nebulosa)
  • Darwin Ocellaris Clownfish (Amphiprion ocellaris)
  • Standard Ocellaris Clownfish (Amphiprion ocellaris)
  • Tomini Tang (Ctenochaetus tominiensis)

Stony Corals

  • Bali Green Slimer
  • ORA German Blue Digitata
  • Pink Lemonade
  • Duncan
  • Frogspawn
  • Micromussas

Soft Corals

  • Assorted gorgonians
  • Tyree Neon Green Toadstools
  • Green Nepthea
  • Sinularia
  • Yellow Fiji Leather
  • Neon Green Cabbage Leather
  • Assorted Zoanthids and Palythoas
  • Green Fuzzy Mushrooms
  • Pulsing Xenia
  • Yellow Frilly Sponges
  • Photosynthetic Blue Plating Sponge


  • 2 Squamosa Clams
  • Derasa Clam
  • Assorted Bubble Tip Anemones
  • 2 Fighting Conchs
  • Serpent Starfish
  • Tuxedo Urchin
  • Red Mithrax Crab
  • Scarlet Hermit Crabs
  • Mexican Turbo Snails

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