Big or Small? Picking Out Your First Reef Tank

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Big or Small? Picking Out Your First Reef Tank

So you’ve decided you want to join the hobby of reef keeping…Now what? Whether you are new to the hobby or adding your 15th tank, tank size is something every reefer needs to consider before making a new purchase. Tank size is more than just the logistical concerns of what will fit in your home and is something you’ll want to really think about before making your first purchase. Here are just a few of the things to consider before bringing home your first tank.

Type of fish you want. When selecting your first tank, you need to consider what type of fish you are hoping to keep. Each type of fish needs a varying amount of tank space to accommodate their swimming needs. For example, you can have a pair of clowns live very happily in a nano tank while a hippo tang requires the tank be a minimum of six feet long and 180 gallons (liveaquaria). Make sure you are researching the type of fish you are hoping to have before buying your tank to avoid being disappointed that you can’t house your dream fish. You will also want to consider the amount of fish you are hoping to have in your tank. Overstocking your tank can cause unnecessary stress on your fish and could lead to increased aggression. By keeping your fish needs in mind you are keeping your fish happy and healthy!

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@Cannedfish

Available spacing for ideal location. You will want to pick the ideal location for your tank. You will want to find an ideal location where your tank can be appreciated by your family and visitors. Not everyone’s spouse is willing to allow a main room in the house to be converted into the fish room, but I hope some of you are this lucky! Once you’ve identified where you want your tank you will want to measure to accommodate tank, stand lights and sump. You will be spending a lot of time working on and admiring your tank, so finding the perfect location is an important step in selecting your first reef tank size.

Cost and price range for total set up. This is a big one in the saltwater industry. Cost of your first set up is significantly more than just the initial price of the tank itself. You’ll want to consider all of the extras when adding a larger tank such as amount of live rock needed. If cost is something you are worried about, it would be better in the long run to save up for the tank of your dreams versus making a smaller purchase that is in your immediate budget. Although it may be in the best interest for some new reefers to start small to get a feel for what the hobby is all about. Just be aware that you might find yourself looking to upgrade within a short amount of time.

Maintenance. A reef tank takes weekly maintenance. The larger your tank, the more time will be needed to maintain your little piece of the ocean. Reef tanks take time and you’ll want to consider how much extra time you have to devote to water changes and cleaning. If you aren’t sure how much time you’re going to have to maintain your tank, you may want to consider a smaller option in order be able to provide your tank with the attention it deserves.

Recommendations.
Unless you really love the look of a nano tank as a new reefer I would recommend a tank size between 30 and 125 gallons. Also be aware the smaller your tank size the more challenging it is to keep your water parameters stable. Anything above my suggested size might be overwhelming to a new reefer.

Picking out the size and shape of your first tank is your first big step in reefing. Whether you go big or small, your tank will likely be part of your home for years to come. Take some time to think about what the best fit will be for your reefing needs.

 
Love the article... you mentioned it. If you don’t mind, I’d like to expand on it... Yeah, Nano tanks. You really have to know what you are doing with that small of an ecology. A single drop of something in a Nano tank would not even be noticed in mine and might... make life hard in a Nano. I am not being negative here, I promise. I still consider myself a beginner in this hobby. I had a 75 gallon tank before... now I have a 200 gallon tank. Maintaining stability now is soooooo much easier! Higher water volume is easier to keep stable... it just is : )

In my humble opinion... go with a tank slightly bigger than you think you can afford. It’s okay if it take just a bit longer to build it up. ...it’s a hobby : ) And... a centerpiece in your home!
 
I just started my first reef tank in december. 16 gal biocube. I have experience with high end planted tanks. I think the big thing that led to my success is understanding the nitrogen system and being conscious of the waste im adding to the tank as well as the food. I think an advantage of a small tank like mine is that i dont really need to tweak my water chemistry because every weekly water change just resets the levels to the instant ocean salt levels. I have many corals and seem to be having success. I really didnt have any problems with the small tank size yet. Also run a kessil a150
 
I just started my first reef tank in december. 16 gal biocube. I have experience with high end planted tanks. I think the big thing that led to my success is understanding the nitrogen system and being conscious of the waste im adding to the tank as well as the food. I think an advantage of a small tank like mine is that i dont really need to tweak my water chemistry because every weekly water change just resets the levels to the instant ocean salt levels. I have many corals and seem to be having success. I really didnt have any problems with the small tank size yet. Also run a kessil a150

Just shows the value of a low tech, brute force approach. Get a modest sized system and do regular, big water changes. Any water problems will get flushed away before they are an issue.
 
here is a picture of my 16 gal
 

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I really think a good beginner tank is an AIO or any tank that doesn't need more than one light fixture. Less stuff to sell when you realize it is a money sink, or you get addicted and start the upgrade process and plan to have the small "first time" tank to become that Seahorse tank you have been dreaming of.
 
Helpful article -- I was just trying to make this decision and I'm going to be ordering a 120g for my first saltwater tank.
120 is what I think should be the max for a first, but 75 being the smallest. Both are going to cost a large investment which means you will most likely be able to afford to maintain the tank for an extended time. These are just myths in my own head though. These sizes allow you to have a larger selecting of fish as well. Hate for someone to be so excited to get a new tank up only to realize a fish they REALLY wanted is not compatible. cough tang cough I wish you the best of luck with your new tank when you get it!
 
120 is what I think should be the max for a first, but 75 being the smallest. Both are going to cost a large investment which means you will most likely be able to afford to maintain the tank for an extended time. These are just myths in my own head though. These sizes allow you to have a larger selecting of fish as well. Hate for someone to be so excited to get a new tank up only to realize a fish they REALLY wanted is not compatible. cough tang cough I wish you the best of luck with your new tank when you get it!
Started with a 45 cube. Made it an AIO(DIY wall sump) Enjoyed it. Hard to clean the sump section.

set up a 40B with a DIY 55G sump. Easier to take care of for me, more WV makes it easier to keep stable, large Chaeto section helps keep nutrients down.

next step is to plumb the 45 cube to the 55 sump, rip out wall sump. And rebuild the 45. However contemplating a 60 cube or moving to an 80g 32x24x24 set up. 2’ depth is great for lighting as most light are built for 2x2 areas.

I would like to venture into a 150 2x2x5
 
If you can afford it and you have the space , i think go as large as you can , it is easer it is to maintain the water quality . I started with a 30 gal. went to a 225 gal . now i have a 425 gal .
 
Good read. I was so unsure what size to get and what brand to go with. Happy with my WB 70.2 and can't wait to set it up. Thanks to all the great people on here it made my choice easier to make
 
I think that 20-75G is a great starting point and allows for a variety of fish. AIOs are a PITA; sumps might be a better choice for new reefers for accessibility and increasing water volume.

Cost is a major factor for maintaining a reef and that section could have been expanded upon/linked to other articles. I expected my 40G to be ~$500 to set up, but it cost twice that.
 

IF YOU HAD TO TAKE A REEFING EXAM, WOULD YOU PASS?

  • Yes!

    Votes: 32 45.7%
  • Not yet, but I have one that I want to buy in mind!

    Votes: 9 12.9%
  • No.

    Votes: 26 37.1%
  • Other (please explain).

    Votes: 3 4.3%

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