A roomy home your fish will love
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See your koi glide with crystal-clear views and steady support.
The MK Aquarium 500 Gallon Clear Sides Koi Tank gives your fish a bright, open space to swim and grow. Its clear PVC canvas and stainless steel frame create a strong and friendly spot for koi keepers, aquaponics fans, and anyone who wants a large, easy-to-manage tank. It works indoors or outdoors and keeps water changes simple with a built-in side drain.
Made for big fish, bold setups, and easy care.
✔ Clear sides make viewing fun and easy
✔ Strong steel frame stays steady outdoors
✔ Built-in drain helps with quick water changes
✔ Large 500-gallon space suits koi and more
✔ Simple setup with included hardware
Rinse with fresh water after use. Keep the drainage valve clean. Dimensions: 78.7in × 59.1in × 23.6in. Store indoors when not in use.
We are proud to offer duty-free, reliable, tracked shipping— delivered to your door in over 200 countries worldwide!
Below you can check our average shipping times:
Domestic USA Shipping: 2-9 business days
US & Canada: 7-18 days
Europe: 7-18 days
Europe Plus*: 8-30 days
Australia, New Zealand: 7-18 days
Hong Kong, Singapore: 7-18 days
Rest of the world: 8-30 days
*does not include processing times up to 2 business days or longer in peak periods
Primarily we ship out from fulfillment centers in the United States, Eastern Asia and Western Europe. If the item you've purchased is out of inventory in your nearest location, we'll send it directly from our production lines at the same delivery times as stated in our shipping section.
Is this tank good for koi?
Yes. The 500-gallon size and clear sides give koi plenty of room and make viewing easy.
Can I use it outdoors?
Yes. The stainless steel frame and clear PVC canvas work well inside or outside.
How hard is the setup?
Assembly is simple with the included brackets, connectors, and tools.
Choose the right size for your Koi show or aquaculture project. Our size chart helps you select the best fit.
Contact us today at: support@mkaquariumstore.com to discuss your custom requirements and get a personalized quote.
Just unfold, connect, and fill – your tank is ready in minutes!
The clear PVC canvas lets you enjoy your koi from every angle.
A full stainless steel frame gives steady support day after day.
The side drain and valve help you refresh water with less effort.
Use it as a koi home, breeding tank, or large aquaponics tank.
Straps and steel legs help keep everything steady during use.
A stronger, clearer option for large koi and aquaponics setups
| Features | MK Aquarium | Knock-Offs |
|---|---|---|
| Large 500-gallon capacity | ||
| Clear PVC canvas sides | ||
| Full stainless steel frame | ||
| Built-in side drain and valve | ||
| Indoor and outdoor use | ||
| Stable legs with straps | ||
| Easy assembly kit included | ||
| Great for koi and aquaponics | ||
| Top strap for larger models |
Turn your tank into a stunning display. Crystal-clear panels let your fish shine from every angle.
Engineered for maximum durability, our tanks combine a tough PVC outer coating, tear-resistant nylon layer, and leak-proof protection for total peace of mind.
Yes. You get the canvas, brackets, legs, connectors, hooks, user manual, allen key, and two wrenches.
The frame is stainless steel, which helps resist rust and adds long-lasting strength.
Yes. Its large capacity and clear sides make it a great pick for aquaponics systems.
Rinse with fresh water and keep the drainage valve clear to help it last longer.
With normal care and gentle rinsing, the clear sides stay bright for easy viewing.
Yes. It works well for koi and other large freshwater species.
Yes, but be sure the floor can support a full 500-gallon setup before use.
You can disassemble it when needed, making it easier to move than fixed tanks.
No. Everything you need is included in the box.
