Ken (Fragaholic) and Heidi's (SunPolyp) 22-gal ZeroEdge "Ice Cube" reef is the Uberfrags August 2007 Featured Aquarium.
Aquarium Specs

Ken & Heidi's ZeroEdge "Ice Cube" aquarium:

  • 22-gal. ZeroEdge acrylic aquarium
  • Water overflows to a tray and drains to sump.
  • Center return for even dispersion throughout tank.
  • 24-in. long x 18-in. wide/deep x 12-in. tall
  • Mag 12 return pump, BakPak skimmer

Let us begin by saying thank you to Uberfrags.net for not only selecting our aquarium as tank of the month, but for also supplying reef enthusiasts, such as ourselves, with a forum that supplies everyone with honest reefing knowledge and doing so in a manner that allows its members to have a little bit of fun in the process. Now, about the tank.
   I hope we don't curse ourselves by saying that this tank has been nothing but a pleasure. We say this because, from the time we started the tank until now, it has been smooth sailing. The entire setup was put together with a mind frame that it would be more like living artwork than just another fish tank in someone's home. I hope all who view this see it the same way we do.
   
This is the most recent display tank that has been added to our home. It is a ZeroEdge tank that we fondly call the "ice cube." It was won in a raffle drawing at a LFS and it was set up in February 2007. We won the entire package, but only utilize the tank and the sump that it came with because we had a countertop that offered an excellent stand and the perfect spot in our home for all-around viewing pleasure. This tank joined a 180 Gallon AGA SPS inwall system that has been running for about 2 years.

Aquarium Profile
The tank is a cube with four sides of visibility. It's a 22-gal. acrylic ZeroEdge tank (Model 22ZR) measuring 24-in long x 18-in. wide x 12-in. high. (25 x 31-in. footprint). The tank can be found here for those of you who just can't live without one: ZeroEdge 22-gal aquarium.
   
The only thing that posed a setup problem was the return in the tank. It is located in the front corner of the tank, so I (Ken) constructed a return out of ¾-in. PVC to bring the return toward the middle so it would be easier to disperse flow throughout the center of the tank.

Water Movement & Parameters
Flow is provided to the tank by a Mag 12 pump. Yes, it's that simple. Not exactly what I'm used to as an SPS enthusiast, but only having to clean one pump is a blessing.

Lighting
The tank is lit by one 250-W single-ended bulb mounted in a custom-built canopy that adds to the theme of the artistic tank mind frame. The reflector is homemade using pieces of spare reflector material that we had lying around from previous projects.   The bulb of choice for this tank is a Reeflux 12K. This bulb gives off just enough blue hue for our liking and enough intensity to keep the coral smiling.

Lighting Schedule
Halide turns on at noon and turns off at 10:00 p.m.

A second view showing the Leaf fish, gorgonian, Xmas tree rock, and the one-leafed mangrove.
A third view showing a streaking wrasse, camera-hog Leaf fish, and torch coral.
   Top view showing the many zoanthids and palys that inhabit the reef.
Water Parameters
Typical water parameters:
  • Calcium: 420 mg/l
  • Alk: 9.5 dKH
  • Magnesium: 1,400 ppm
  • Spec. gravity: 1.024
  • Temp: 77 to 79 F
  • pH: Not tested
  • Nitrates: Undetectable
  • Phosphates: Undetectable

Salifert test kits used for all testing parameters. Testing is done weekly.

Sump:
All of the tank's equipment is housed in the ZeroEdge ZC2 sump that came with the aquarium. Water overflows from the tank down to the ZeroEdge sump below. The ZC2 sump measures 22 x 12 x 12 in.

Skimmer
Nothing fancy here. We figured a skimmer would be beneficial to the tank, so we modified a CPR BackPak to fit the sump. It works great for a 22-gal. tank.

Temperature Control
The temperature is maintained by a 250-W Visi-Therm Stealth heater. No chiller is required due to the open concept of the tank and the home's air conditioner.

Maintenance
R/O water is prepared with a Coralife three-stage, 50-gpd system with DI. We change out 5 gal. every weekend. Our replacement water is mixed up with Reef Crystals salt the night before and aerated at least 24 hr. before use. Usually all that is needed is a quick scrub down once a week with a small acrylic scrubber pad to get whatever algae buildup has coated the tank. Keep in mind that's inside AND outside the tank. Top-off water is added manually as the tank evaporates 2 gal./day. Carbon is also run on the system and is replaced every two weeks.


Overall view showing light shelf and counter that holds the aquarium. Sump with BakPak skimmer (left).
The ghost-shrimp-munching Leaf fish.

Feeding
The fish and corals are fed daily with a chunk of Rod's Food, and the Leaf Fish is fed a dozen ghost shrimp every two to three days. Watching the Leaf Fish eat is quite fascinating. It usually just waits until a live shrimp crosses its path and then POW!!!, shrimp is gone. The ghost shrimp are purchased live from Petsmart and gut loaded before they meet there demise.  

Fish
We have a Lubbocks Fairy Wrasse to help take care of unwanted pests that may be lurking in the tank, and our ever-popular Leaf Fish. The fish gets its name for its unique swaying motion, which mimics a leaf that may have fallen in the water,

Inverts

Polyps of the deepwater gorgonian

Soft Corals
Zoanthus and Palythoas (There are quite a few in the tank. Below is my best attempt at the names.):

  • Bam Bams
  • Halloweens
  • Candy apple pinks
  • Dragon eyes
  • Eagle eyes
  • Fire and Ice
  • Pink Stardust
  • Mean Greens
  • Yellow Submarines

Clove Polyps--Clavularia sp.

  • Mini Blue
  • Green w/Orange Tips

Orange Carnation Coral - dendronepthya

Large-polyp Stony Corals (LPS):

  • Sun Coral - Orange & Black
  • Chalice
  • Blastomussa merletti
  • Acanthastrea lord
  • Torch Coral
  • Micromussa (red)
  • Frogspawn
  • Pagoda cup coral

Small-polyp Stony Corals (SPS):

  • Acropora--Stag (This little acro grew out of the rockwork and was a total surprise.)
  • Montipora digitata--orange

Deepwater Gorgonian--yellow
Purple Sponge
Mangrove


 Red micromussa with feeding tentacles extended.

 A colony of Bam Bam zoanthids

 A colony of Blue Ice zoanthids.

 Xmas tree rock showing Porites coral and the resident tube worms.
Once again we would like to say thank you for choosing us to be the Uberfrags Featured Aquarium. To the Uberfrags.net staff (Sara Bertolino and Gary Parr), it was a pleasure to have you in our home. As said in previous Featured Aquarium articles, Sara thank you for helping edit what we screwed up in the writing of this article and Gary for taking pictures that make the impossible to see possible. Thanks to all the LFS's and local reefers for supplying us with beautiful coral. Also thanks to friends and family who have helped with the build and shared their thoughts to make this tank what it is today. All we can say is we enjoy our living artwork. Ken & Heidi
 

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