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States/Wisconsin/Neenah/Custom Aquariums
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Custom Aquariums

4.8(144 reviews)
·
Closed· Closed
7260 Commerce Plaza Dr, Neenah, WI 54956
FreshwaterSaltwater
Online Store
0
Call (844) 244-8265Get DirectionsVisit Website
About Custom Aquariums

Tucked away in Neenah, Wisconsin, Custom Aquariums is a manufacturer that ships meticulously crafted tanks, stands, sumps, and canopies to hobbyists across the country — from southern California to Raleigh, North Carolina. This isn't a typical fish store stocked with livestock. Instead, it's an operation built around one thing: designing and fabricating custom aquariums that arrive at your doorstep in flawless condition.

The product lineup spans freshwater setups, reef-ready systems, paludariums, and even massive orchid terrariums. Tanks range from 90-gallon freshwater builds to 300-gallon reef tanks, with ultra-clear glass options and custom dimensions like corner pentagons. Their seamless sump filtration system draws consistent praise — reviewers describe it as quieter and more leak-proof than competing designs, with an overflow and siphon stopper that runs virtually silent.

Stands come in finishes like mahogany and cherry cabinetry, and steel stand options are available for those who prioritize structural rigidity. Two names come up repeatedly in reviews: Bob Pontow and Nathan Aplin. Bob guided one customer through multiple revisions on a 6-foot-tall, 1,000-pound terrarium build without losing patience.

Nathan walked a first-time large-tank owner through every step of a 90-gallon setup, sending specs in advance, troubleshooting concerns by phone, and following up long after delivery. That kind of sustained, personalized attention defines the Custom Aquariums experience. Shipping is a standout.

Customers consistently marvel at the crating — heavy-duty packaging that protects glass through cross-country transit. Multiple reviewers report tanks arriving weeks ahead of schedule and in perfect condition. One 125-gallon custom build shipped from Wisconsin to southern California without a scratch.

This is a company for hobbyists who want a showpiece tank engineered to last. The design process is collaborative, pricing is competitive against other custom manufacturers, and the end product — by all accounts — is something people build rooms around.

What They Offer

Livestock & Products

Aquarium EquipmentReef

Services

Custom TanksConsultationDeliveryOnline StoreShips Fish

Specializes In

FreshwaterSaltwater
What Makes Them Special
  • Seamless sump filtration system praised for quiet operation and leak-proof design
  • Custom tanks from 90 to 300+ gallons with ultra-clear glass options
  • Exceptional shipping and crating — tanks arrive in perfect condition nationwide
  • Personalized design consultations with Bob Pontow and Nathan Aplin
  • Custom cabinetry in cherry, mahogany, and steel stand options
Customer Reviews
4.8(144)

j. chism-diebold

2 reviews

Edited 3 weeks ago

I ordered a 90 gallon aquarium including a light, heater and the seamless sump filtration system, along with a gorgeous cherry cabinet. I’ve never had a large aquarium before much less a complicated system… truly felt in the deep end… until I called Custom Aquariums… Nathan was incredibly patient with all my many questions and concerns, sent detailed specs beforehand and discussed the plans and possible issues in detail with me to ensure it was exactly what I wanted… once I received my set-up, he walked me through set-up and gave me numerous helpful literature and videos … made it quite easy to set up… Even long after the sale, he is still being very helpful… I can not recommend this company enough.

kim sovel

2 reviews

2 months ago

Bob helped with the design of my absolutely beautiful corner pentagon tank.the team did a great job ! The dimensions are perfect quality perfect even the delivery driver was impressed by the crate it was sent in.In today’s world custom quality is hard to find.10 star rating if that was possible.Thank you. Kim Sovel

David Guerrieri

2 reviews

2 months ago

We received our tank this week and set it up over the weekend, and it came out absolutely amazing. I’m a bit of a perfectionist, and both the tank and the stand are flawless. The entire customer experience—from the planning to the final delivery—was excellent. The team clearly takes pride in their work, and it shows in every detail.

Ginny C

4 reviews

5 months ago

I recommend Custom Aquariums with no reservations. I designed and had built a 95-gallon freshwater fish tank with an accompanying tank stand. Everything about the design process went smoothly. Customer service was superb and very specialized to my design and desires. The delivery also went exceptionally well with absolutely no issues. I retained C6aquatics to set up the aquarium and they did an absolutely AMAZING job. The aquarium [Kelpie's Kove] is EVERYTHING I imagined and wanted for my home. I highly recommend Custom Aquariums for any residential freshwater fish tank projects.

Randy Totah

5 months ago

Absolutely recommend Custom Aquariums! Lots of customization options, the final aquarium is sturdy and beautiful, and the customer service was fantastic from start to finish!

ODELL JONES JR

19 reviews

6 months ago

I recently got a custom 180 gallon tank with the dimensions 72x24x24 and I’m definitely impressed with the work. From beginning of project to end the dialog and customer service was excellent. I was updated on progress and my tank was actually done ahead of schedule. The shipping of the tank to my house was also great. I would recommend them if you are looking to build a showpiece tank.

Adam Chen

3 reviews

6 months ago

Shout out to Nathan Aplin for helping me out with every question I had. I can not stress how nice the tank is and I'm thrilled about my purchase. I would recommend custom aquariums to anyone that's considering building their own custom tank.

My Phon Nguyen

8 reviews

9 months ago

I worked with Bob Pontow to build a terranium for my orchids and he was fantastic! He was patient and accommodating with my multiple changes. He was very helpful and responsive to questions before and after delivery of terranium. The terranium itself is exceptionally well built. It exceeded my expectations and it was delivered on time as planned. The ultra clear glass is impressive. The pictures of my orchid blooms attached to the review were taken through the glass. The terranium is quite heavy, 1000lbs+ for 6’ H x 6’ wide, x 2’ feet deep terranium. Very happy with custom aquarium and highly recommend them.

Bradley hutson

9 months ago

New aquarium and stand delivered in excellent shape. Very impressed with quality and service. The entire process from designing, ordering and shipping was a great experience. Have already recommended Custom Aquariums to my fishy friends.

Ben Wild

15 reviews

a year ago

Great value for a very nicely constructed custom aquarium. Prior to this purchase I contacted a couple of other online manufacturers and visited multiple local fish stores for quotes. Each of those experiences was vastly inferior to my experience with Cutom Aquariums in terms of information available, attention to my design plan, warranty and price. I will definitely buy from Custom Aquariums the next time I purchase a tank. The price was reasonable for a 125g custom aquarium with a steel stand. The order process was smooth, all my questions were answered in a timely manner and the end product is exactly as designed. The project was completed and delivered three weeks earlier than quoted by the manufacturer, shipping from their Wisconsin facility to southern California. The shipping crate was really impressive and the tank arrived in perfect condition. I have zero complaints, recommend this company, and will go to them first next time I want a custom aquarium built.

Frequently Asked Questions about Custom Aquariums

Note: Store information and services may change. Always call (844) 244-8265 to confirm current availability, hours, and services before visiting Custom Aquariums.

Hours & Contact
Monday:8:00 AM – 4:00 PM
Tuesday:8:00 AM – 4:00 PM
Wednesday:8:00 AM – 4:00 PM
Thursday:8:00 AM – 4:00 PM
Friday:8:00 AM – 4:00 PM
Saturday:Closed
Sunday:Closed

Phone

(844) 244-8265

Website

www.customaquariums.com/

Address

7260 Commerce Plaza Dr, Neenah, WI 54956

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7260 Commerce Plaza Dr, Neenah, WI 54956

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Premium EquipmentBeginner FriendlyGood Prices
Information Updated

February 7, 2026

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