nano 20g

  1. ozreef88

    AIO Build Waterbox 20 AIO - Back in the Hobby After 3.5 Years, Australia

    G'day everyone, Starting a build thread for my new Waterbox 20 AIO. Not my first marine tank - I ran a small AIO from June 2016, upgraded to a Red Sea Reefer 250 in December 2016, and shut that down in September 2022. After a 3.5-year break, I'm back at it with something smaller and more...
  2. DAWREEFER

    Need Advice for Potential Rescape - Worried, Does my plan suck, What should I watch out for?

    Hey reefers, I have a 20g long that’s been running since 2021, and I’m thinking about re-aquascaping it. My main reasons are improving flow, reducing dead spots, and giving my clown more places to hide. Right now, I’m running a two-island setup, but I want to switch to a more centered rock...
  3. DAWREEFER

    20g Long Recovery Help: Cyano, Flow Issues, and Aquascape Question

    Long story short, I have a 20g long with a Nero 3 and an AI Blade. They’ve both been working well, and I haven’t really had issues with them. My tank has been running for a few years and was doing great until life got busy (kids!). It didn’t get the attention it deserved for a while, and I’ve...
  4. johntdaballa

    Texas Aquariums Lighting LED Dry Goods Ecotech XR15 PRO G5

    Moving sale Located 77493 Katy TX Ecotech XR15 PRO G5 w/ RMS kit $440 Opened box never used . Redsea nano max w/ stand $300 will add more later
  5. guapstacker2009

    Least Aggressive Dotty back questions

    Hey there! I have a 20-gallon Innovative Marine Drop off tank. I own a Harp tail Blenny and two bonded Clownfish. Recently in the last month, I had purchased an Indigo Dotty back that I had ultimately ended up bringing back to my LFS. He was such a gorgeous fish and was super bold and fun to...
  6. JamalFloyd77

    Hello Introduction:

    What's up everyone, My name is Jacob, and I currently live in Hong Kong I used to have a small tank, but it crashed right after my BTA got shredded in the powerhead. Really tragic, but I'm ready to jump back into the hobby. Below is a photo of my new tank, if anyones interested. It's a RedSea...
  7. cdstanley0123

    RedSea nano 20g - new to this hobby - advice very welcome 😀

    Hello friends! I’m based in the UK and just purchased a RedSea Nano 20g (second hand). I’ve done a lot of research and I know that RedSea have some issues, but the tank I’ve bought seems in really good condition and the guy I’ve bought if off had a genuine reason for selling it. There’s...
  8. DAWREEFER

    Struggling to Raise Phosphate Levels in a 20G Long (Help!)

    Hey fellow reefers, I have a 20-gallon long tank that’s been running since 2021, and I’ve been having trouble getting any phosphate readings lately. I’ve been tracking my parameters daily for a week now and dosing nitrate, magnesium, and phosphate (all Brightwell Aquatics products). That’s...
  9. GHOSTLY

    Build Thread IM 20G Fusion mixed reef

    I had a build thread so long ago but only came back into reefing maybe 4 months ago. I did have a 6g but after that got stocked decided to pick up a used IM 20G fusion. Posting here whenever new pieces come in and just for colour and growth updates. Sadly all the acros are browned out but im...
  10. DAWREEFER

    Nitrates and Phosphates do not exist in my 20g long, advice?

    Hi Fellow Reefers, I have a 20-gallon long tank that’s been running since 2021. For a while, it was on the back burner due to family responsibilities and going back to school for my master’s, but recently I’ve gotten back into proper husbandry and it’s really revived my passion for the hobby...
  11. DapperSnapper

    My First Tank

    Hello all, as the title states I’m a new comer to the hobby (and reef2reef) and I figured I would document my progress with my first tank. It will be a bit before she really gets up and going as I’m a merchant mariner and can’t start for a few more weeks, but soon my boots will be on solid...
  12. S

    Low nutrition tank issues

    Hi all I have a 100lt/20gal AIO tank. It is 1.5 years old. I have two clownfish and a few corals. I run a Redsea ato (worst purchase ever) and I have a Redsea 4head dose. I cannot get my phosphate or nitrate above 0.01-0.02 doing weekly 10% water changes. So I have this ugly brown algae, that...
  13. croctopus

    AIO Build UNS 90LA kitchen reef for my #Return2Reefing

    Hello all - my name is AJ and I am a lifelong aquarium hobby enthusiast with most of my experience in freshwater setups. I used to keep a SW nano reef in high school (which I spent all of my lifeguarding money to keep and maintain) and now that I am in my 30s and finally own my own apartment, I...
  14. J

    Red algae bad?

    How do I get rid of it if it's bad?
  15. C

    Moving Fully Stocked IM 20 Gallon

    Hello all, I am Moving from the Bay area to Idaho within the next month and have a fully stocked 20 gallon reef tank running and want to bring it with me. I have probably around 50-60 individual corals in the tank and a light stock list. My best idea that I have in my head is individually...
  16. 10MantisShrimps

    Nano Saltwater Paludarium?

    Finals are finished and I’m officially on spring break. I recently just found this bad boy in the basement (live in a townhome with a shared basement) and figured what would be a better use for it than…a stand for my aquariums. So I came to the conclusion that having a 20H completely full would...
  17. B

    Dry Goods Red Sea max nano 20g $250

    Redsea max nano 20g aquarium used for less then a month then put back in box went a different route! Tank only asking $250 local pickup San Diego
  18. WoodsieFL

    Build Thread AIO BBDR 20 Gallon Nano

    I’ll keep this build thread short and sweet. I currently live in a 50 gallon mixed reef lagoon system. this system is about six years old and my sand has completely ticked me off which has cause neglect which has in turn caused it to all turn to limestone due to my dosing schedule. SO…. I have...
    • WoodsieFL
    • Thread
    • bare bottom cycling coral cycle aquarium nano 20g reef / nano / filter / help / setup /
    • Replies: 36
    • Forum: Member Tanks
  19. mowgli.reef

    Nano Build IM Fusion 20 Build, Starting new.

    Got a little upgrade from Fluval Evo 13.5 to IM Nuvo Fusion 20. I transferred some of the rocks from the old tank to start. I added a couple of fishes and corals.
  20. Blitz06

    Build Thread JBJ 20 gallon

    Hey all I’ve made a couple threads now. Still learning how to use forums. I’ve had a few tanks in the past but I’ve failed due to budget. I found a deal on this jbj that came with an AI prime. I was originally going to do a Caribbean biotope but after further research I’m just going to do...
  21. chaewon

    Build Thread MiniReef 120 (30G) - Coming back after 3 years out of the hobby

    Have been busy with Uni and Work and now in my final semester and I have more free time now. I am studying Marine Science and I have had the privilege of conducting field work at the Heron Island Research Station on the Great Barrier Reef, working at an Aquarium shop and visiting Coral &...
  22. H

    Filter and wave maker recommendations for a 20 gallon long

    Hi, sorry if this has been posted already, I’m really new to this website and the hobby in general. I’m building a coral-only tank without fish. I currently only have Duncans, and they seem to be happy with the lighting and temperature. I’m using a SMATFARM 95 watt light. However, I don’t...
  23. CoralNewb

    AIO Build Benchtop AIO Nano Tank - Budget Build/First Reef Tank

    Latest FTS 05/31/2026: Hello, new to the reefing scene and excited to get started! I've been a freshwater planted tank aquarist but have always been drawn. to the allure of saltwater. For my first tank, I wanted it to be a budget build nano tank, as I rent, and I wanted the move to be...
  24. colsons_critters

    BUYING The FIRST FISH for My 20G SALTWATER AQUARIUM!!!

    BUYING The FIRST FISH for My 20G SALTWATER AQUARIUM!!!
  25. Macsreefs

    20 gallon Par Meter Experience and Results!

    Hello fellow reef enthusiasts! The Journey to a Par Meter: I'm thrilled to share that I finally got my hands on a Par Meter! After struggling to find someone with a similar tank size, I decided to take the plunge. I ordered the "Vabira Par Meter" from Amazon for under $200, a steal compared to...
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