Pny's reef cube

Pny

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Just realized - I have no tank thread on reef2reef! *shock*
I've been in the marine aquarium hobby for about 12 years, and a reef2reef member just a few years less (member since 2011). I started with a very large tank that was converted from a fresh water planted tank. During these years I've been mostly keeping fish (FOWLR) and a few hardy coral species, always struggling with the more advanced corals such as sps for various reasons. I later got this second tank to be able to try out more advanced reefing in a smaller tank (without ruin the bank). The tank was run a few years as a reef tank but the last few years the tank has been without corals. I'm currently in a slow process of getting it back... Here's a presentation of my current state. (Before reading, please note that english is not my native language)


Reef-cube.jpg


Description
The aquarium, a white cabinet with a reef cube, 60x60x60 cm in low iron glass, is designed to be a mixed reef, as a supplement to my larger FOWLR tank that I already have. The aquarium was bought second hand with standard glass in December 2013. The glass was changed to low iron glass in 2019.

System Profile
I run a quallity skimmer from Royal Exclusiv, a DC return pump from Jebao, stream pumps and ATO from Tunze. The aquarium is illuminated with a 3rd generation Radion Pro from Ecotech. The aquarium contains about 20 kg of live rock. The bottom substrate is white coral sand.

The aquarium has a DIY sump (50x50x40 cm) below the aquarium. It has 4 sections. One large section for the skimmer, reactors and possible future equipment, a little section with a filter pad for mechanical filtration and a compartment for the return pump. The fourth section is separated from the others for ATO osmosis water. The sump was built by the previous owner. The ATO section holds water for about 1-1.5 weeks between refills. I refill this container manually. The water is filtered by a five stage reverse osmosis unit that produces water for both my tanks. The RO has a booster pump and is capable of generating 400 gpd. The water quality is measured with an inline TDS meter on the RO.

A DIY STC-1000 temperature controller regulates the temperature by controlling the heater. The temperature controller provides redundancy to the thermostat in the heater and thus provides protection against accidental overheating of the aquarium at any fault in the heater.

A 3 channel Kamoer dosing master and a 4 channel slave dosing pump is used for supplementation. The Balling light method is used to provide the aquarium with Calcium, Magnesium, Alk and Trace elements. Three channels on the Kamoer dosing pump is used for the Balling salts and a fourth channel is used for carbon dosing. The carbon source (vinegar) keeps the nitrate and phosphate levels low.

A first generation Clarisea fleece filter, Clarisea SK-10, provides mechanical filtering of the water.

Two DIY upflow reactors with phosphate absorption media helps keeping the phosphate levels low.

Cabinet and Construction
The cabinet was built by the previous owner of the tank and is built with 22mm MDF and reinforced with stainless steel details. The bench is screwed, glued and painted white. The lower part of the cabinet holds a sump with all the filter equipment, and is internally sound proofed. The upper part, which is also soundproof hides the lightning and minimizes light scatter outside the aquarium. The equipment has been carefully selected to minimize noise. Fans are provided in both top and bottom for ventilation.

The aquarium is drilled with 3 holes, two pipes down and one pipe up. The overflow is a Herbie type overflow made of 25 mm PVC.

More
This is the second of two tanks I am currently running. The first one, a FOWLR, can be found here: https://www.reef2reef.com/threads/the-fowlr-that-wants-to-be-a-reef-tank.675984/

Tank Specifications

System Profile
System Water Volume:216 liter (57 US gallons)
Display tank:60x60x60cm, 216 liter low iron glass tank
Sump:50x50x40cm DIY glass sump with a built in ATO reservoir
Display Stand:DIY stand

Equipment list
Lighting:Ecotech Radion G3 Pro + Reeflink
Skimmer:Bubble King Mini 180
Return pump:Jebao DCP-5000 (1415 gph)
Flow:Tunze Nano Stream 6040
Filter:Clarisea SK10 fleece filter
Filters:2x DIY 1.5 liter upflow reactors
Dosing:Kamoer KSP-F03 & KSP-F04 (3+4 chn master and slave)
ATO:Tunze osmolator 3155
Temp Control:DIY STC-1000
Heater:Eheim Thermocontrol Electronic, 25W
Ozone:Sander Certizon 25 mg/h
Cooling / Ventilation:DIY PC fan
Auto Feeder:Eheim 3581
Reverse Osmosis:5 stage 400 gpd Reverse osmosis
Livestock

The live stock is still very light since the tank was restarted just a few months ago, and I still struggle with the initial algae blooms...

Fish
Goldtail demoiselle, Chrysiptera parasema (x2) - (Sept 2019)

Photos

fish.jpg

Chrysiptera parasema.

Peak-01.jpg

Old photo, in its full glory (1).

Peak-02.jpg

Old photo, in its full glory (2).

Peak-03.jpg

Old photo, in its full glory (3).

Sump-01.jpg

Sump before I added the fleece filter.

Sump-02.jpg

Sump.

Sump-layout.jpg

Sump layout.

Pipes.jpg

Pipes.

post-2486-14468933480069.jpg

DIY reactors.

Ozone.jpg

Ozone.

Latest-00.jpg

Latest.
 
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Pny

Pny

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The latest changes on my tank was to swap the old standard glass tank to a new low iron glass tank with the same dimensions. Some changes had to be made to make it fit on my current stand.

Latest-01.jpg

Latest-03.jpg

Latest-02.jpg
 
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Pny

Pny

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Latest Triton-lab ICP-OES test results... (I screendumped my own excel sheet without the ridiculous amount of decimals all other the place)

ICP-OES-Revkuben-2010-01-03.jpg
 
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Pny

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Latest ICP-Test results from Fauna Marin... Silicon was quite high after some time of RO/DI-problems. Luckily I've fixed my RO/DI unit earlier this month....

Screenshots of original ICP results and my own interpretation- and dosing sheets in ms excel. (I made these sheets since I needed a calculator that could let me seamless switch between both ICP-test providers and Trace element providers.)

2020-04-26-FM-ICP-Revkub-pdf.jpg


2020-04-26-FM-ICP-Revkub-Excel.jpg


2020-04-26-FM-ICP-Revkub-Dosingl.jpg
 

Reefing threads: Do you wear gear from reef brands?

  • I wear reef gear everywhere.

    Votes: 20 12.8%
  • I wear reef gear primarily at fish events and my LFS.

    Votes: 11 7.1%
  • I wear reef gear primarily for water changes and tank maintenance.

    Votes: 1 0.6%
  • I wear reef gear primarily to relax where I live.

    Votes: 23 14.7%
  • I don’t wear gear from reef brands.

    Votes: 90 57.7%
  • Other.

    Votes: 11 7.1%
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