Den-O-Fish 66 gallon cube

nursedude

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Hello all!

I guess I will do this and share my tank with the interwebs. This will be my third reef tank. I consider myself not new - but new.

I am looking to build a mixed reef with a lot of intention. As the name implies this tank is in my den/office and I work from home, so am able to enjoy it throughout the day.

This technically started back in November so much of the information may be retro. I have had a couple ups and down but the tank is way in the win column.

I hope my info helps someone at some point! Enjoy!

IMG_2623.jpeg IMG_2612.jpeg
 
Hello all!

I guess I will do this and share my tank with the interwebs. This will be my third reef tank. I consider myself not new - but new.

I am looking to build a mixed reef with a lot of intention. As the name implies this tank is in my den/office and I work from home, so am able to enjoy it throughout the day.

This technically started back in November so much of the information may be retro. I have had a couple ups and down but the tank is way in the win column.

I hope my info helps someone at some point! Enjoy!

IMG_2623.jpeg IMG_2612.jpeg
Following along! Do you have an idea of what fish you want to add to your tank?
 
I do! We ordered 4 fish from Dr Reef. Sadly we lost 2 with the first couple days.

We received:
Tomini Tang
Flameback Angel
Yellow Watchman Gobie
Midas Blenny

They were great about giving us credit for our loss. We have ordered 5lbs of live roc/rubble and a Galaxy Montipora.

But I’m getting ahead of myself chronologically. Let’s go back.

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Back to the start. After a sleepless night I told my wife I thought we should setup our aquarium again. We had a 66 gallon cube from SCA aquariums we had previously set up in another home. I purposed freshwater to keep it simple. And my wife was having none of it. Saltwater was the destination.

I had kept some equipment from before.

I had lights, Kessil AP700, return pumps, heaters, ro/di, tunze power heads misc power heads, storage containers fresh top off water and saltwater.

I needed a sump and landed on a Trigger 24 Sapphire from Saltwater.com. A very nice sump. I decided I wanted more flow and BRS had a sale on the gyre Maxspec 330 cloud edition so pulled the trigger on a pair of those... Amazing gyres - flow is outstanding.

I decided live ocean rock was the way to go. I had live rock with my first tank back in the 90s, did dry rock this last time and strongly prefer ocean live rock. TBS was the choice. Boy am I happy.

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So officially two months in. A couple hiccups, but no major issues.

Anyone else’s Blenny perch like the little madonna he is.

TBS is amazing rock. But hitchhikers are the real deal. I have helped relocate a mantis to the sump and provided a celestial departure for two gorilla crabs.

Just today, wife as a witness, we apparently have had a pistol shrimp. He ate from the baster. Feed the “other mantis” today too. Will try to trap him and relocate.

Got some additional live rock from Dr Reefs yesterday 5lbs and really like the way it developed the perspective of the tanks aquascaping.

Had a nice mistake in my favor. Along with the live rock, we ordered a galaxy encrusting Montipora, there was an oops somewhere in packing as we actually got a dragons breath goniapora. It’s beautiful and very happy.

Currently I have three acro frags all doing well growing with some color change and the 3 LPS, green torch, goniapora and some GSP. The two fish Midas Blenny and Yellow Watchman Gobie.

Need some more swimmers. Looking for a Pygmy Angel next I think.

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I haven’t talked water parameters and initial cycle, as this is so out of order all over the place.

From the beginning it was a super smooth cycle. I know the TBS rock and sand helped with this. We added the sand and rock on 11/22/24. I didn't want to invest in an ammonia tester, so I had LFS Aquaholics test it for me on 12/05/24: I had 0.25 ammonia and 20 nitrates so the cycle was wrapping up. I believe the minor die off from the live rock is just what is needed to help the cycle. I kept the lights off during this time. I was really trying to prevent the uglies, as they sap your soul of any aquarium enjoyment when bad - ask me how I know.

I know this is anecdotal, the tank water cleared dramatically after I added reef chowder to the tank. IMG_2669.jpeg
I knew the pods would be a welcome addition and the native sponges would like a snack as well. They did; I like this product. I used again this week, and again the water the next day is clearer. I also purchased a few clean up crew animals while at the store, 5 red legged hermits, 4 bumble bee snails and two turbo snails. There was already a lot of hitchhiker CUC from the live rock, multiple snails and oh so many crabs. I never felt the algae was out of hand, but I was just noticing a little algae starting to grow.

I was holding steady, and I wanted to give it a month no lights, and no stock, to again prevent the uglies.

12/8/24, we went to another store Limited Edition Corals and I was so pleased they quarantine fish. We had already ordered from Dr Reef back on 11/25/24 but for future purchases we had this store.

We tested the water again for a base line at LE Coarals.

1737903482414.png


I ordered 4 Salifert test kits Mag, Ca, Nitrate, Phosphate.

We really like the staff at LE Corals. I was convinced to add some more bacteria to speed cycle up and drop nitrates. We added Fritz bacteria. I am mixed on this. I didn’t see any results testing that the Fritz altered my nitrates, which he was trying to bring down a bit more. It was a veer from the plan, an experiment.

He did feel I should turn on the lights at low intensity. So we did this. And I agree the timing of the clean up crew and adding light help balance the cycle. I did a 20% WC too.

I tester all my parameters at home
12/13/24

Water parameters:

SG 1.024, psu 31, ppt 32

Ca 390 (Salifert test)

Mg 1170

Nitrate 25

Phosphate 0.25

Alkalinity 7 (125ppm)

At this point I decided to experiment again I wanted to raise my Alk and Ca from the base line of the salt I used, Tropic Marine Pro. So I added a table spoon of kalwasser to my 10 gallon ato container.

It worked. Three days later:

Alk (165 ppm) 9.24 Alk

Nitrates 25

Phosphates 0.25

1.024 SG

I wanted to see the potency of the Kalkwasser before I had corals to get an idea of dosing amounts. I was surprised it went up so quickly.

I also wanted to increase my salinity too, and decided to start monitoring ppt as it is more accurate.

This got long so I can add more to another post.

Tank looks good through all this.
IMG_2789.jpeg
 
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I haven’t talked water parameters and initial cycle, as this is so out of order all over the place.

From the beginning it was a super smooth cycle. I know the TBS rock and sand helped with this. We added the sand and rock on 11/22/24. I didn't want to invest in an ammonia tester, so I had LFS Aquaholics test it for me on 12/05/24: I had 0.25 ammonia and 20 nitrates so the cycle was wrapping up. I believe the minor die off from the live rock is just what is needed to help the cycle. I kept the lights off during this time. I was really trying to prevent the uglies, as they sap your soul of any aquarium enjoyment when bad - ask me how I know.

I know this is anecdotal, the tank water cleared dramatically after I added reef chowder to the tank. IMG_2669.jpeg
I knew the pods would be a welcome addition and the native sponges would like a snack as well. They did; I like this product. I used again this week, and again the water the next day is clearer. I also purchased a few clean up crew animals while at the store, 5 red legged hermits, 4 bumble bee snails and two turbo snails. There was already a lot of hitchhiker CUC from the live rock, multiple snails and oh so many crabs. I never felt the algae was out of hand, but I was just noticing a little algae starting to grow.

I was holding steady, and I wanted to give it a month no lights, and no stock, to again prevent the uglies.

12/8/24, we went to another store Limited Edition Corals and I was so pleased they quarantine fish. We had already ordered from Dr Reef back on 11/25/24 but for future purchases we had this store.

We tested the water again for a base line at LE Coarals.

1737903482414.png


I ordered 4 Salifert test kits Mag, Ca, Nitrate, Phosphate.

We really like the staff at LE Corals. I was convinced to add some more bacteria to speed cycle up and drop nitrates. We added Fritz bacteria. I am mixed on this. I didn’t see any results testing that the Fritz altered my nitrates, which he was trying to bring down a bit more. It was a veer from the plan, an experiment.

He did feel I should turn on the lights at low intensity. So we did this. And I agree the timing of the clean up crew and adding light help balance the cycle. I did a 20% WC too.

I tester all my parameters at home
12/13/24

Water parameters:

SG 1.024, psu 31, ppt 32

Ca 390 (Salifert test)

Mg 1170

Nitrate 25

Phosphate 0.25

Alkalinity 7 (125ppm)

At this point I decided to experiment again I wanted to raise my Alk and Ca from the base line of the salt I used, Tropic Marine Pro. So I added a table spoon of kalwasser to my 10 gallon ato container.

It worked. Three days later:

Alk (165 ppm) 9.24 Alk

Nitrates 25

Phosphates 0.25

1.024 SG

I wanted to see the potency of the Kalkwasser before I had corals to get an idea of dosing amounts. I was surprised it went up so quickly.

I also wanted to increase my salinity too, and decided to start monitoring ppt as it is more accurate.

This got long so I can add more to another post.

Tank looks good through all this.
IMG_2789.jpeg
 
Things are going incredibly well. Added a few more corals things are leaning toward a mixed reef more strongly than maybe I had planned. Will post a couple pics. Added Zoas, micromusa, chalice, encrusting Monti and some chaeto for the sump. We did remove another stone crab and another gorilla grab. We are holding at one fish at the moment our Midas blenny. Looking to add more fish but am nervous about predators - aka crabs!

I really like the kalwasser in the top off method. It has taken some trial and error to get the additive right but think I am close. Keeping Alk around 10. Phosphate has come down (0.03 -0.1) wife is feeding more conservatively and it has helped. Nitrates still a bit high at 25 but corals are growing so will roll with it.
 

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Things are going incredibly well. Added a few more corals things are leaning toward a mixed reef more strongly than maybe I had planned. Will post a couple pics. Added Zoas, micromusa, chalice, encrusting Monti and some chaeto for the sump. We did remove another stone crab and another gorilla grab. We are holding at one fish at the moment our Midas blenny. Looking to add more fish but am nervous about predators - aka crabs!

I really like the kalwasser in the top off method. It has taken some trial and error to get the additive right but think I am close. Keeping Alk around 10. Phosphate has come down (0.03 -0.1) wife is feeding more conservatively and it has helped. Nitrates still a bit high at 25 but corals are growing so will roll with it.
Oh and by the way the pic of the micromusa has a mystery worm (black and white tentacles) that came out and literally pushed the coral away from the rock and then dove back under. It was creepy cool.
 
Wow! Time flies fun or not. Work has been really busy. We were in a sweet spot with the tank and wouldn’t you know it had an oops. I’m not sure which was the culprit but a had a big alk swing (from 180 ppt - 216 ppt) it really hit a couple new acro frags I had, killing one and the other is still here but had massive tissue death. I also lost our torch. I think I double dosed the Kalkwasser in my Ato.

It’s funny how some of the corals shrugged this off they aren’t as happy for sure, but don’t die. Clam just keeps growing. Some of the LPs, like the acans, zoas all fine - have been thriving. Goniaporas aren’t quite as happy but seem good.

I am seeking stability and letting the Alk drop slowly. Reduced the Kalkwasser in the top off water. Talk uses appx 0.5 dkh a day.

We have fish: Le Corals quarantines and treats all their fish. So I buy exclusively from them. We now have two true percula clowns, citron gobie, lemon damsel, leopard wrasse. I love the variety and movement from these beauties. 😊
 
It’s been way too long… A quick update, there is progress and loss. I felt like we were stabilizing but I couldn’t keep acros alive. Do they have an acro slayer badge I can wear with shame because I deserve it. I seriously wondered if I had a toxin - I send an ICP test nothing remarkable, some minor trace elements need to be upped.

So the parameter that has been an issue is my phosphate. It has to be my high level of this that is stunting and killing the sps.

I bought a Hanna checker and had Le Corals run a test for a baseline. They were high 0.3. I have a fuge growing copious amounts of chaeto. I figured turn the lights up on it it will stabilize. It didn’t. Hanna checked showed the numbers just increasing.

(Admittedly they shared there alk is off and needs to be recalibrated)

I know we have a good fish load and feed them well. I had need to counter the phosphate so I can feed the tank without a phosphate issue.

I bought a reactor and started with 25 grams gfo, and 50 grams carbon.

My latest phosphate was 0.61 - bam! None too soon. Setup the reactor with half the recommended amount of gfo and they dropped to 0.41 in 24 hrs - nuts! I was being so conservative, I thought, but gfo is potent.

Fast forward to 8 days later.

I was hoping to go slower than this but it is what it is. I hope the tank is at a point I will see coral growth, it’s been a year I just feel in my bones it’s ready to take off.

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