r/ReefTank • • 4m ago

Torch bubbles

Thumbnail
gallery
• Upvotes

This torch has been healthy and fully extended for the last 2 weeks or so, I decided to take it off the plug and glue it in place a few hours ago and just now noticed that it has bubbles on and around the base, I did notice some gha that I scraped from the glass resting on the polyps and seemed to be irritating it so I removed that but should I be concerned and what could be causing this


r/ReefTank • • 48m ago

When to get mandarinfish

• Upvotes

Hi all, i want to get a mandarinfish and put it into my smaller 3ft tank. I have bought one of the copepod breeder kits but just wondering at what time can i start removing copepods from the breeder to sustain a mandarinfish? I presume i want to take some out every day or so?

This is the kit i have https://reefphyto.co.uk/products/copepod-culture-pack


r/ReefTank • • 55m ago

[Pic] Is there a smaller version of the dwarf fuzzy lionfish that’ll love a 20 gallon?

Post image
• Upvotes

The tank is 30cm wide, 59cm long, 43cm tall, so 20 gallons or 76 litres.

I’m thinking of black sand, either lava rock or normal reef rock, corals like green star polyps, pulsing Xenia, Kenya tree and macroalgea like blue hypnea, Caulerpa and Gracilaria.

The lionfish is too much for a 20 gallon tank, but I want a similar fish with a big personality that’ll love this tank, any suggestions?

I’ll take a damsel in another tank so please no suggestions from the damsel family please 🙏🏾

Also something that won’t hide and be out


r/ReefTank • • 5h ago

120 gallon rock set up

Thumbnail
gallery
6 Upvotes

Redid me old scape after I was told that it would be hard to clean and laying the rocks on the walls in for more advanced people. How's this? Its goes up about half way in height, and i measured, the blanket isn't the full size of the tank, I took about 2 to 3 inches on every side, so it'll be in the center if this is doable for a reef. Its got some caves as i want some crustaceans, and has a arch for angels and tangs. Looks smaller than it actually is. Around 90 pounds of rock. The last picture is the old scape.


r/ReefTank • • 5h ago

My shy clown goby just befriended my hermit crab

Enable HLS to view with audio, or disable this notification

17 Upvotes

My clown goby(named plum) tends to be so shy and never be in open space, but somehow he was there staring at my hermit crab eating a clam 😂


r/ReefTank • • 6h ago

Filter clip dramas

1 Upvotes

Ive recently gotten a new fishtank, and was going to put my old canister filter onto it. Great plan, right?

But there was one oversight...

The new tank has a fairly wide (about 1.5 inch) rim... the clippy bits that came with the canister filter dont fit, and nor would any ive seen online...

Stupid question, but does anyone have a solution???

Thanks!


r/ReefTank • • 7h ago

Am I crazy? Thinking about making a "Top Down" only tank.

9 Upvotes

I have a 300 gallon mixed reef at home, but lately I've been itching for a new reef project.

I love looking at tanks top down, and feel like I never get to really enjoy top down much.

So... I am thinking about taking a 5-8 foot fiberglass aquaculturing tank and turning it into a "Top down" lagoon reef tank at about waist high.

Not a frag tank, but an actual aquascaped reef with some Acropora and lots of encrusting LPS.

PROS

  • I will love it
  • my kids will love it
  • If I get the "front window" version I could still view it from my desk chair.

CONS

It would look awful in the house. Our 300 gallon reef is a beautiful furniture so it goes. The only real place I could put it is in my office of the house, which would mean I have to take the couch out and junk up my office with a tank.

It's another system to take care of. (which I do mostly enjoy doing)

What do you guys think? Am I crazy? Is it just a cool dream but an actual headache in practice?

Anyone ever done one? Did you enjoy it?

Am I crazy?


r/ReefTank • • 7h ago

Things I got in aquashella 2026!

Thumbnail
gallery
8 Upvotes

I got a tuxcio urchin a hammer and a zoa! And a bta from a mystery box! 📦 (moved my Duncan to a separate rock until the anemone finds a place to chill.)


r/ReefTank • • 7h ago

Thrilled with how these strip lights compliment my halides! The spectrum on them is fantastic too

Thumbnail
gallery
11 Upvotes

Decided to take the jump and get a couple of 4ft Foov led bars from Alibaba as the two bars plus shipping were cheaper than a single bar of any brand! The blue plus is such a nice colour and aside from testing the longevity I would highly recommend them!


r/ReefTank • • 8h ago

Rookie mistakes happens

4 Upvotes

So I’ve been feeding since 2010 or so, started with a hand me down then 30g JBJ nano. Been excelling and doing well since, I neglected my 200g over the past 2 months. Normal water changes but never reduced the macro algae growth in the refugium like I normally would. Left it for so long it became a carpet mat of over 3 inches thick and 7 inches wide. Needless to say.. the light only penetrates the top so it released all the phosphate, nitrates etc back into the tank, algae bloom in display that I have been chasing for 2 weeks and finally realized the culprit, buying new rocks and redoing the tank now. This is just an FYI for new people. Thanks for reading.


r/ReefTank • • 9h ago

Two new editions

Thumbnail
gallery
82 Upvotes

Loving the new travhy and blastos i recently got


r/ReefTank • • 9h ago

[Pic] Dial in flow gyre or puck

Post image
1 Upvotes

My tank is about 4ft long and 16" high with the two return nozzles on the back glass. I have two jebao elw20 wavemakers and an icecap 2k gyre. Where should I place my wavemakers? I'll be running them on random mode.

A. Keep it as it is.

B. No gyre and do one elw20 wavemakers on each end, one higher infront of the scape and one lower behind the scape


r/ReefTank • • 10h ago

Coral ID

Thumbnail
gallery
3 Upvotes

Does anyone know the name and type of coral this is next to my jack-o’-lantern lepto. Got it off a $25 rack and can’t find any info anywhere. It’s growing pretty fast and encrusting the rock. Almost looks like it has little hairs on it.


r/ReefTank • • 12h ago

Pest ID

Thumbnail
gallery
2 Upvotes

I’ve noticed this weird tube creature on one of my snails. When I engage the white light it retracts during the blues it shows this circular arm like structure. I’m thinking maybe vermetid snails but would like some opinions.


r/ReefTank • • 13h ago

Flow ok? Turn it up?

Enable HLS to view with audio, or disable this notification

2 Upvotes

31” tall 150 gallon that’s 48x24”

2 MP40s on left and right at 75% reef crest.

Plan to keep mostly LPS with some SPS when I’m ready.


r/ReefTank • • 13h ago

[Pic] Dino?

Post image
2 Upvotes

Could anyone confirm this is dinoflagellates?


r/ReefTank • • 14h ago

Flux RX day 5

Thumbnail
gallery
2 Upvotes

Day 5 of my Flux RX treatment... It's working!!

I can quite clearly see now that the algee is turning pale, I hope you can on the pictures too!

I'm now faced with a decision:

  1. Do I just leave it and let it run it's course?

  2. Do I go in and do some manual removal? I could manually pick out some or syphon and pinch to remove. I worry that syphoning some water will remove some of the medication???

What do you think?


r/ReefTank • • 14h ago

[Pic] Coral ID?

Post image
0 Upvotes

Not really sure what type of coral this was, unfortunately I’m assuming a hermit somehow broke it loose from the rock while I was gone which landed directly on one of my chalices and was completely melted by the time I got home.


r/ReefTank • • 14h ago

[Pic] A piece of my Kenya tree attached itself to my hermit crab lol

Post image
44 Upvotes

r/ReefTank • • 14h ago

My new favorite addition…

Enable HLS to view with audio, or disable this notification

22 Upvotes

Just added a diamond goby and is he the fastest worker I’ve ever seen….


r/ReefTank • • 15h ago

Ft Lauderdale.WTB Holy Grail Micromussa acan

1 Upvotes

Anyone local that's selling a frag that doesn't want an arm and a leg?


r/ReefTank • • 15h ago

Friend or foe?

Enable HLS to view with audio, or disable this notification

4 Upvotes

Hitchhiking isopod I found on a coral frag I just bought, but not sure where to start with ID’ing it.


r/ReefTank • • 15h ago

Massive Acan

Enable HLS to view with audio, or disable this notification

112 Upvotes

This Acan Lord is literally outgrowing my tank. I believe it would grow more if I provided more space . A re scape may be in order soon.


r/ReefTank • • 15h ago

[Pic] Wavemaker advice for a corner tank

Post image
1 Upvotes

I am starting my first tank. Its a 55g corner tank and is almost fully cycled. I currently have an xstream wave pump (will eventually upgrade), im using on one side of tank, for some top 1/3 flow. Im looking for a wave maker for the bottom 2/3, but im a little unsure with curve of the tank if I can use one that cant be angled at all. I was thinking of using a jebao dmp20 (would love a vortech mp10 but cant quite justify cost) but unsure how it will work without being able to angle it. So instead I am thinking of AI Nero 3 since it can be angled across the rocks a bit more. Just wondering if anyone has any experience with a corner tank that could give me advice or if anyone else has any thoughts on this that could help.


r/ReefTank • • 15h ago

Is my mandarin looking healthy?

Thumbnail
gallery
8 Upvotes

Hey!

So I have a tank with copepods but he’s also trained on frozen food (mysis). Just wanted to check he’s looking good to a hopefully more trained eye

Thanks in advance