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The Gilleleje (Denmark) In-wall Reef Aquarium

By Leonard Ho - Posted Sep 27, 2013 09:00 AM
This is Peder's impressive 475 total gallon dining room reef tank. With the display tank's awesome dimensions of 55x48x30 inches, his custom in-wall aquarium truly recreates the illusion of a window to the tropical seas. Okay; the healthy, lush coral growth helps too.

The video is filmed and produced by fellow Danish aquarist Dino (excellent footage!)

Peder describes his reef aquarium in his Reefcentral thread:

Tank was started July 2011
140x120x75cm, build-in wall, custom build display tank.
In total with sump and skimmer plus frag tank about 1800 liter in the system

Water maintenance:

Mean midget skimmer(custom build) 220 cm tall, with "old fashion" air stones - 9000 liter of air per hour through it. It contains about 250 liter of water.

Automatic cleaning and emptying of the top. Fed by Tunze pump, providing 5000 l per hour.

Lanthanum used weekly, by dosing system 12 ml Seaklear 1 time weekly.
Semiautomatic weekly water change 100 liter
R/O for top off water
Use 2 balling system with aut. Dosing.

Water parameters:
No3 <1
Salinity 1,026
Temp 26-28
Ca 420-450
Kh 8
Ph 8,1 morning, 8,35 evening
Mg 1500
Potassium 400-410
Never measure Po4, I only look at the tank.....

Daily dosing:
10 ml Pohls Xtra
Sometimes kz zeobac

6 Maxspect Razor 160W 16 k, mounted on af motor-driven base, so I can lift and lower the system - furthermore it gives easy access to the tank.

Water movement:
4 Tunze 6095 in each corner to blow away detritus
2 6305 for water movement in the open area.

Mostly Aquaroche and 30 kg of liverock

Author: Leonard Ho
Location: Southern California

I'm a passionate aquarist of over 30 years, a coral reef lover, and the blog editor for Advanced Aquarist. While aquarium gadgets interest me, it's really livestock (especially fish), artistry of aquariums, and "method behind the madness" processes that captivate my attention.


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