The Dane's Red Sea Reefer 425XL.

Holst

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Hi R2R.

I have never introduced myself to this forum, so here goes.

I'm a handsome guy from Denmark at age 36. I have for many years had a wish for a beautiful reef aquarium, this startet around 2008. So I started saving and signed up at a Danish reef forum to suck all the needed knowledge. And 12 years later, yes- not kidding you, 12 years later I got my first reef aquarium. During these 12 years I bought a lot of used equipment. Powerheads, return pump, skimmers, ATO etc. I had an old Akvastabil 275Liters that I rebuild for Saltwater. Sold all my high end freshwater plants, CO² equipment and my amazing lookind discus fish.
I had this aquarium around 1 year before I bought a one year old Red Sea Reefer 425XL. And I must say, there is a connection between price and quality. An amazing aquarium compared to the old Akvastabil MarkII.
I emptied the old aquarium, cleaned the gravel a little, stored all corals in a little 100L aquarium, rocks in a large tub and the fish in another big tub. Setup the aquarium and technique, produced saltwater, created a new hardscape and filled it with water. I let it settle for around 4 days and added one coral after another. After that one fish after another. And here we are :)
The new setup has now been running from February 2021.


The system:
Aquarium:
Red Sea Reefer 425XL.
Light: 2x Red Sea Reefer ReefLED 160s
Power heads: 2x Ecotech Vortech MP40
Return: Jebao DCP-5000
Skimmer: Royal Exclusive Bubble King 200 mini
UV: 35W with vortex build.
ATO: Tunze 5017
Dosing pumps: ATI DP-6

Additives:
I am using Red Sea Coral PRO salt.
To maintain the 3xholy I use Fauna Marin Balling Light.

For other additives I use Triton reagents and dose this after my Triton ICP Tests. I make a new ICP test every 2 month.

Values / Readings:
NO³ - 5 ppm
PO4 - 0,03 ppm
CA - 430 ppm
ALK - 9,5 dkH
MG - 1450
pH - 8,3-8,5


Aquarium as today
(Sorry for the light from the windows)
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Corals:

GSP
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Hammer's

Yellow green
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Green with purple tips.
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Torch
Dark Green with yellow tips.
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Acropora
Blueberry Fields Acropora
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Rainbow Blueberry SC Acropora
(Hard to see, but blue polyps).
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Crazzy SSC Acropora
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Rainbow Tanoides
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Pikachu acropora base.
(Got RTN, but I saved a frag and this is whats left).
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Unknown Neon green acropora
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Unknown acropora.
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Unknown Blue Green acropora
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Acropora Millepora Pink
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Styloporas
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Gonipora
Pink gonipora (One of my clowns has hosted this beauty)
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Unknown ID
(I call it Hairy **** :) )
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Unknown ID
Rainbow something.
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Unknown ID
Neon Green
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BTA
Red BTA that forgot to bubble
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Unknown sponge
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Top down pictures
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Fish and Inverts
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Lessons learned on the way.
Patience
:
When I started up the reef aquarium, I have seen lots of threads with people not having the patience that it takes to get a good start. So that was a big thing for me to let things settle and giving time to the organisms to start doing their things. But I kinda forgot that along the way, or thought that now the bacterias has settled. I learned that it is not only at start, but it is like that ALL the time. And that bacterias takes time to dominate. I was doing changes too quick, using GFO, changing the light, changing the flow and stressing the system. This resultet in a big cyano outbreak. I was a little lost at this point, also because I had read how big of a struggle Cyano can be. I just toog a step back and put my hands in my pocket, Only vacuuming the cyano away. I found out that it can take alot of time to get the Cyano, and it also takes a good amount of time to beat it again. It took around 4 month to get rid of the Cyano, but I felt like I was on top of this **** ! But also knew that I have screwed it up and it was my own fault that it got to that point. So now i am only changing or doing one thing at a time, and then see the result of this over time.

Lights:
When I started the Akvastabil aquarium I bought a pre-used Orphek Atlantic V4 Gen2 lamp. Amazing lights and opportunities. I know that people like POP on their corals, but for me, that was not natural looking. I sold the fixture and bought 2x Red Sea ReefLED 160S instead. I think that now it looks alot more natural, not like Plastic toys. I know that i'm kinda alone with this opinion, but it's my tank you know :p

Noise:
When having all the equipment in the cabinet underneath the aquarium, you can hear everything that happens when technique is spinning, vibrating etc.
And I kinda learned that noise or NO noise I would say also comes with the price. High price equipment = No noise, no vibrations.
Cheep equipment = Noise and vibrations.
But also what decade the equipment is produced :p
I had an old Deltec APF600 skimmer. It's robust, Im sure that it does it's job, but holy **** this is loud ! Instead I bought a Nyos Quantum 160. Much better regarding noise, but I was not over excited. I got a good offer and I couldn't resist, so I bought the Royal Exclusive BB King 200 mini. This is state of the art equipment. Near silent, easy to operate and robust built !
The only thing that I hear now is the fans from the Lamps on hot days. I think I now got a good setup, good quality equipment and a healthy tank.
Now it's only time, stable values that and hopefully my corals will grow big and strong :)


Hope you enjoyd my tank. I am doing that everyday and love to see the progress on corals, fish behaving or misbehave, see the crabs fighting and trying to find another house and beating a snail to get it. Nature is brutal but fascinating!

Please leave a comment if you feel like :)
Have a great day out there where ever you'r from !
 
Last edited:
AS

revhtree

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Great reef tank!
 
Reef Chasers Aquaculture
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Holst

Holst

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Hi all.
My sump was modified by previous owner. He removed the Filter socks and made room for a Roller filter Clarisea SK-5000.
I was running with this roller filter, but I had to remove it. It was removing too much waste. The skimmer was doing nothing and I couldn't keep PO4 and NO3 from dead zero. After removing this I was able to keep it above zero. :)
Now I have only a coarse filtermat after the downpipe that I clean once a week.
I would was thinking about establishing the filtersocks again, but would I run into the same issue again, or can I buy different filtersock microns ? What is your opinions ?

Thanks in advance :)
 

Nelson Tiago

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following ! Nice build ! Interesting that you removed the Clarisea, I undertand that was removing to much Po4 and No3, but if it was me, I left it and would turn it off for a good period, if I need it again back n runnig I already have it in place. I find the best way to have nutrients is just overfeeding, but, overfeeding like a champ hahaah. Keep posting !
 
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Holst

Holst

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Just got my ICP test back.
Think the reef is doing pretty good :) And I knew about the low CA level and that is slowly rising. After adding new media to the CO² scrubber the usage rised a bit and I didn't react before CA was falling.

The Danes Reef is doing pretty good :D
 

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Holst

Holst

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So I have installed my filter roll (Clarisea SK5000) again.
I only had a sponge filter to filter in the sump, and the sump was dirty and smelled bad. So I emptied it, cleaned it and installed the filter roll again. And after I have to dose PO4 three times a day. 3x1ml. to be above 0.0. The nitrate is about 5-7,5'ish and the PO4 now at 0.05.

I'm now happy that there isn't as much maintenance in the sump anymore and cleaning! :)
Just have to maintain the PO4 for now..

Happy reefing y'all !


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Hanna
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