The 20 Gallon Hexagon Aquarium Stand is a great place to start if you’re looking for a stylish and functional aquarium stand. This hexagonal shape makes it perfect for small tanks, and the sturdy construction means it will last for years to come.

The 20 Gallon Hexagon Aquarium Stand comes with two shelves, each of which can hold up to 15 lbs. This is great because you can use one shelf for your substrate and decorations, and then put your fish on the other shelf! The top shelf also has a hole in it so you can run wires through it easily.

The 20 Gallon Hexagon Aquarium Stand comes in two different colors: black or white. It’s easy to assemble and install, so you’ll be able to set up your new tank in no time at all! The 20 Gallon Hexagon Aquarium Stand features three legs that provide maximum stability. It also has a glass shelf on top, which provides extra space for your fish tank accessories so they don’t get lost in the clutter.

Deciding the dimensions.

You’ll need to decide on the dimensions and design of your stand. Measure the width and length of the aquarium, then determine how tall you want the stand to be. Also, measure whether or not you want a bottom shelf.

Note: I chose a hexagon because it matches my aquarium, but it’s your decision what shape you want to make it. If you choose square or rectangle, adjust measurements as needed.

Design the base and cut out the pieces.

Cut the 2×4’s to length for the base of your aquarium stand with either a table saw or circular saw. Cut about 15 inches off one of your 8 foot 2×4’s to make six 15 inch long legs for the stand. If you purchase basic lumber from Lowes or Home Depot, it will most likely be warped or bowed — You may need to straighten/saw off one side in order to get a straight edge to measure from.

Once you have all your pieces cut out, start assembling the base using wood glue and wood screws (I’d recommend starting with 1 1/2″ wood screws). Measure to ensure that all your pieces are square and parallel before screwing together permanently. Use a tape measure and square to check for 90 degree angles after assembly is complete — sometimes boards will get twisted as you cut them, so checking for square is an important step!

Assemble the hexagon.

  • Place one of the 45″ x 10″ pieces on a flat surface, with the pocket holes facing up. Use wood glue to attach a 17 1/2″ piece flush against each end. Repeat this step for all four sides of the hexagon. Make sure the corners are square and clamp them together while they dry.
  • Attach an 8 1/2″ x 10″ piece to both ends of a remaining 17 1/2″ x 10″ piece, making sure the pocket holes face up. Repeat this step for all four sides of the hexagon, attaching these pieces to the bottom side of each side panel with wood glue and 2 1/2″ screws or brad nails (image 3).

Building the base.

Step 1: Get the right wood.

Step 2: Cut it.

Step 3: Sand the wood to remove any roughness.

Step 4: Attach a base with four wheels attached at each corner, then cut four small strips to attach them to the base.

Step 5: Finish by painting, sanding, and varnishing your hexagon aquarium stand.

Building the stand.

Following the instructions on the underside of your stand, attach the two hexagonal end pieces to your aquarium’s base. This isn’t an easy job, so it might take some time—but once you’re done with this step, you’ll feel like a master craftsman.

After attaching the end pieces to your aquarium’s base, build the sides of your stand by attaching three pieces together at a 90-degree angle. These are called “miter cuts,” and they’re not simple. You might want to find a good tutorial on how to make these miter cuts before you try it yourself—even if you think you know what you’re doing!

Once you’ve built the sides of your stand, attach them to the hexagon ends and bottom piece. Again, this isn’t easy—but when it’s finished, nobody will have a cooler DIY tank than yours!


This is a list of the materials I used, their prices and where to find them. All prices are in US dollars and were correct as of January 2018. The total price for this project was about $175USD.

  • Cedar: (4) 2″ x 4″ x 6′ at Home Depot = $11 in total
  • Wood Glue: Gorilla Wood Glue at Home Depot = $8
  • Lumber screws: Everbilt Spax construction screw 1 1/2″ length at Home Depot = $8 for 100 screws
  • Stain: Minwax Polyshade Mission Oak Gloss – stain and polyurethane combined at Home Depot = $9
  • Paint: Rust-Oleum Crystal Clear Enamel Polyurethane clear coat spray paint at Home Depot = $6
  • Brushes: Chip brushes from Amazon Prime = $13 for 12 brushes
  • Sandpaper: 60 grit, 100 grit, 150 grit, 220 grit sandpapers from Home Depot = already had these on hand but they are only a couple dollars each if you don’t have them


The filter can use a lot of electricity, and it’s important to keep the lights on a timer that turns them off at night. You want to do this so that the fish don’t get stressed by the light, and you really don’t need to watch your tank overnight anyway. It can be helpful to buy an automatic feeder, but if you decide not to do this then you should plan on feeding your fish two or three times a day.

You need to check the temperature of your aquarium water every day, as well as make sure that there are no dead fish floating around in it. If they are dead, then remove them immediately—fish die all the time in captivity for many reasons such as poor water quality or illness. If there is any sort of algae buildup inside your tank that needs cleaning out then clean it now before proceeding with this step!

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