180 Gallon Upgraded to a 220 Acrylic - Page 2 - The Planted Tank Forum
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post #16 of 56 (permalink) Old 12-31-2016, 09:14 PM
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im a craftsman but man I wish I could make my own custom aquarium stand... lol good job! looks really good!
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post #17 of 56 (permalink) Old 12-31-2016, 09:32 PM Thread Starter
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lol. thank you! I just hope and pray I overbuilt this stand with using 4x4 posts to support all of this weight. Forum members here as well as some youtubers were quite helpful for this build lol.

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im a craftsman but man I wish I could make my own custom aquarium stand... lol good job! looks really good!
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post #18 of 56 (permalink) Old 12-31-2016, 11:41 PM
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@Daniel12490 I can likely answer your question regarding overbuilt on the stand. When using the calculator listed below, I selected "Spruce / Pine / Fir" as it has the lowest rating. I also went with Grade 1 instead of Select Structural (again, a lower rating). I then adjusted the unbalanced height for X and Y from 8.5' to 2.5' (basically 30"). Now, If you look on the right of the screen for a 4"x4" column you will see that it has a maximum load rating of 13,952 pounds. That is for 1 column. You have 6 of those columns in your build. Now, your build does not necessarily put those columns directly under the corners of the tank, but, you have a pair of 2x6 boards set under each corner. Assuming they are attached to each other well enough, each corner without the 4x4' should support 10,553 pounds.

As you can see, in a vertical fashion you have definitely over built your stand. The one thing I stress to others when building a stand is the horizontal movement of the stand. In other words, you are chasing a fish around with a net and getting the water sloshing side to side. Lets say you can actually get 50% of your water volume to impart a horizontal load on that stand. Assuming 220 gallons times 8 pounds per gallon then divided by 2 that would be 880 pounds of side load on your stand. This is my biggest concern with the PetSmart / PetCo 3/4" particle board stands yet I don't think I have ever heard of one of those POS collapsing.

So, with all that said and looking at your construction techniques, I would say your stand will definitely NOT collapse under the estimated 1,825 pound load you might put on it (1,760 maximum pounds of water along with substraight, etc).

As for what others have mentioned regarding stress risers from the horizontal mounting surface for the tank, basically it is all good advice! (FYI, given the pair of 2x6's on each corner and the single 2x6 in the middle of the front and back, the calculator listed below shows a maximum vertical capacity of 53,674 pounds.)(If you want a good chuckle, click on my 75 gallon build thread and look at how I did my stand - BEFORE I educated myself with the vertical capacity of a wood column, LOL).

Capacity of a wood column

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post #19 of 56 (permalink) Old 01-01-2017, 01:07 AM Thread Starter
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@Immortal1, thank you for that great amount of information! Has definitely lessened some if not all of my concerns! I did check out your 75 gallon build, looks like a pretty solid stand lol. In this hobby, I would rather be overbuilt and have that piece of mind rather than worry constantly lol.
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post #20 of 56 (permalink) Old 01-01-2017, 01:15 AM
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Quote:
Originally Posted by Daniel12490 View Post
@Immortal1, thank you for that great amount of information! Has definitely lessened some if not all of my concerns! I did check out your 75 gallon build, looks like a pretty solid stand lol. In this hobby, I would rather be overbuilt and have that piece of mind rather than worry constantly lol.
Absolutely! I just get a real chuckle how much weight some of the DIY stands "could" hold. Would like to be able to calculate one of the Petco stands - probably have a 10% safety factor at best assuming no water damage.

Regardless, enjoy your new setup!
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post #21 of 56 (permalink) Old 01-01-2017, 01:37 AM
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Originally Posted by Immortal1 View Post
Absolutely! I just get a real chuckle how much weight some of the DIY stands "could" hold. Would like to be able to calculate one of the Petco stands - probably have a 10% safety factor at best assuming no water damage.

Regardless, enjoy your new setup!
DIY stands are so over engineered! They need to be though. Very few of us are professionals so the extra 'safety factor' gives you more error for personal mistakes.


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post #22 of 56 (permalink) Old 01-01-2017, 08:51 PM Thread Starter
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So I cleaned the acrylic tank out and began to fill the tank up slowly. I also started designing my scape for my tank. When I drained my 180, I saved my water in large rubbermaid bins so that I would not have to recycle my tank all over. One corner is a lava rock mountain type landscape and the other is just driftwood. I really wish I had some large pieces of driftwood to accommodate the taller tank lol. My lights should hopefully be in by next week, I had ordered tube lights from makemyled.
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post #23 of 56 (permalink) Old 01-02-2017, 02:29 AM
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Very cool start to a tank there. I love big tanks like that. Lot's of possibilities, and a lot of real estate to scape.

Looking forward to seeing things develop for you. Keep the updates coming.


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post #24 of 56 (permalink) Old 01-02-2017, 02:40 PM Thread Starter
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So I believe I am finished with planting my tank, for now at least. I have added some Osmocote+ root tabs, in hopes of my dwarf sag carpeting my entire bottom, as well as my jungle vals truly taking over and becoming jungle like. Current plant list includes, 1 amazon sword, 1 ozelot sword, java ferns, anubias, leopard val, regular val, and water sprite. My hopeful future plants to add would be some crypt balansae, pearlweed and some moss to cover the back wall? Huge back wall so a lot of moss, but could very well be worth it lol.


Now, I need some help with my eheim 2260 filter. My old 180 gallon was my first large tank so I kind of overdid the intake size tube. I am wondering if anyone has any ideas as to how I can properly setup my eheim with intake and outtake. I noticed eheim parts are becoming harder and harder to find, so I believe I will have to make something myself. Any tips or ideas would be greatly appreciated. To me, what I currently have seems overly large and obnoxious and I feel like I can do something sleeker and more efficient.
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post #25 of 56 (permalink) Old 01-02-2017, 04:18 PM
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If I remember correctly, that filter uses a 1" return line (tank to filter) and a 5/8" supply line (filter to tank) with a mazimum pump flow rate of 260 GPH.
My first thought would be to change your intake from 1 large pipe to 2 smaller pipes. CPVC is a thinner wall than traditional PVC and a pair of 1/2" pipes may be less noticable than the 1 very large pipe. If this interests you I can certianlly help you design something that will work.
Flow Rate thru Pipe


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post #26 of 56 (permalink) Old 01-02-2017, 04:19 PM
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What about using black PVC pipe to make up inlet/discharge fittings? 2 90 ells will get you over the top in both instances . Unless you're using a light colored background it'll be easier to hide . Worth looking into other colored pvc if you're using a different color background . Eheim used to have a US parts website , but it's been down for a while . Did you try calling Big Al's ? Thry've got a lot of Eheim parts . There's always eBay , too.
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post #27 of 56 (permalink) Old 01-02-2017, 08:22 PM Thread Starter
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Thank you, @Immortal1 and @someoldguy for the input. I did check Big Al's and they do have an inlet pipe but it was $40 or so, not sure if I wanted to spend that. I may check out some black PVC piping and create a newer intake valve. Asides from that, the tank is all full and has a slight bow in the front. Nothing too severe, and from what I have read online and have been told, the tank with bow slightly. Still, nerve racking when I see it, but I have double and triple checked the level and it is level lol.

Here are the photos of the "completed" landscape for my tank. I really need to find some larger pieces of driftwood or swap some of my large lava rock boulders for wood locally. Sorry for the bubbles on the tank walls, everything is still settling in.

Current livestock:

four angelfish, unfortunately, one looks like it will not make it.
four phantom tetras
one rummy nose tetra. had seven before but six died about a week ago.
seven varied species of corys.

Anyone have any suggestions on what else I should stock my tank with?
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post #28 of 56 (permalink) Old 01-03-2017, 05:02 AM
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Originally Posted by Daniel12490 View Post
Hi all,

Since the tank is acrylic there is no silicone on the seams, so I am wondering, what should I look for to determine the strength of the tank.

I have an acrylic tank as well. What you should look for in the seam is bubbles. If you see a lot then it could be a weak seam. If you can see right through the seam then its a good seal.
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post #29 of 56 (permalink) Old 01-03-2017, 03:11 PM
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Very nice! You probably know all this, but since you mentioned that acrylic is newer to you: you don't want to use regular algae scrapers, they will scratch. Algae pads, magfloats, scraper blades all have "acrylic friendly" versions out there, don't use the glass stuff. Also beware of hot lights close to the tank to prevent warping or burning the acrylic. And never use Windex and paper towels! You'll want a soft cloth and a mild, non-abrasive cleaner.

Earlier you mentioned that you may cover the stand with a skin or cloth. I'd say go with a thin wood skin to make all of your hard work look like a finished piece of furniture. You can bring the sides up and/or use trim pieces to hide the foam base and all the "behind the scenes details" that went into making that beast.

92% of all statistics are made up on the spot.
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post #30 of 56 (permalink) Old 01-04-2017, 01:48 AM Thread Starter
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@eferna, thank you for the tip. Here are a few photos of the seams. To me they seem pretty clear but I am not 100% certain. Would love to hear your thoughts along with anyone else of course!

Thank you, @KayakJimW. The stand took a lot of work since it was my first build and I wanted to keep everything nice and square. I do plan on going the thin wood route and make it a nicer more finished piece of furniture. For now, it is just in my office so my wife dosen't mind it too much lol. Also, thanks for the tid-bits. I thought about using a paper towel actually, thought it would be soft enough but I am glad I read your post!
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