Owner-operated · Gaithersburg, MD

Beautiful aquariums. Expert care.

Freshwater & saltwater maintenance, rescue, and bespoke setups for discerning homes and businesses — kept effortlessly pristine by a true aquarist.

Freshwater & Saltwater Homes & Businesses Owner-Operated

What we do

Three ways we keep your water pristine.

Every service tailored to your tank and your goals — freshwater or saltwater, home or business.

Routine Maintenance

A flawless tank, every week — without lifting a finger.

Complete, professional care for freshwater & saltwater aquariums so yours always looks its best.

  • Complete water testing
  • Water change & vacuuming
  • Algae cleaning
  • Equipment maintenance
Explore Routine Maintenance

Aquarium Rescue

Tank in trouble? We bring it back to life.

Crashing, cloudy, neglected, or tired? We diagnose the real cause, fix it, and bring it back to a healthy standard.

  • Full diagnosis of the failure
  • Clean, refurbish & overhaul
  • Education + action plan
Explore Aquarium Rescue

Aquarium Setup

Your dream aquarium — designed and built right.

From concept to a calibrated, thriving centerpiece. We handle everything; you enjoy it.

  • Design & planning
  • Sourcing choice equipment
  • Sump & equipment plumbing
  • Setup & calibration
Explore Aquarium Setup
Joel Collier, owner and aquarist at Pristine Aquariums

Joel Collier

Owner & Aquarist

The human behind it

You get the expert — not a rotating crew.

Pristine Aquariums is owner-operated by Joel Collier, a genuine aquarist who lives and breathes this. Saltwater is his passion, and he handles everything from desktop tanks to walk-in displays.

That means real diagnosis instead of guesswork, honest answers, and the same trusted person caring for your tank every visit.

Fresh + Salt
Any size tank
Owner-led
One trusted expert
Homes + Biz
Tanks of all kinds

How it works

Effortless, from first call to clear water.

  1. 01

    Reach out

    Call, text, or book a free consultation. Tell us about your tank.

  2. 02

    Assess & plan

    We test, diagnose, and recommend exactly what your aquarium needs.

  3. 03

    We handle it

    Maintenance, rescue, or full setup — done right, with zero hassle for you.

  4. 04

    Stay pristine

    Ongoing care and a clear action plan keep it healthy and beautiful.

A living centerpiece

Your own piece of the reef.

Calming. Alive. Effortless. We design and care for aquariums that turn any room into something people can't stop watching.

Why clients choose Pristine

Owner-operated care you can rely on.

The same expert, every visit

Owner-operated by aquarist Joel Collier — one trusted person who knows your tank, not a rotating crew.

Freshwater & saltwater, any size

From small home tanks to large reef and walk-in displays, for homes and businesses. Saltwater is a specialty.

Real diagnosis, not guesswork

Complete water testing every visit — we find the actual cause and fix it properly, instead of guessing.

Service area

Premium care across the area.

Based near Gaithersburg, serving the surrounding communities within ~45 minutes — and farther for the right project.

  • Potomac, MD
  • Travilah, MD
  • North Potomac, MD
  • Bethesda, MD
  • Rockville, MD
  • Darnestown, MD
  • Gaithersburg, MD
  • Chevy Chase, MD
  • Kensington, MD

Don’t see your town? Ask — we travel.

Questions

Good to know.

How often should my aquarium be serviced?

Most tanks do best with weekly or biweekly visits, depending on size and stocking. We’ll recommend a cadence after assessing yours.

Do you service freshwater and saltwater tanks?

Both — from small home tanks to large walk-in displays, for homes and businesses. Saltwater is a specialty.

My tank is crashing. Can you help fast?

Yes. Call or text and we’ll prioritize a rescue: diagnose the cause, overhaul the system, and give you a plan so it lasts.

What areas do you cover?

Gaithersburg, Potomac, Travilah, North Potomac, Bethesda, Rockville, Darnestown and nearby — and farther for the right project.

How much does it cost?

It depends on tank size, type, and service. Book a free consultation for a clear quote — no surprises.

Get started

Book a free consultation.

Tell us about your tank and Joel will personally get back to you — usually same day. No pressure, no obligation.

Owner-operated · Freshwater & saltwater · Homes & businesses

Call Text Joel

Questions welcome — no obligation, no pushy sales.