Aquariums that always
look right.
Maintenance, saltwater-to-freshwater conversion, and relocation across the Sunshine State. Quietly making aquariums look the way you imagined since 2017.
"Nine months in. Same tank, half the chemistry, and it finally looks the way they pitched it."
Facilities · AdventHealthFour services. One specialty.
We do freshwater — and only freshwater. Everything below is what that focus produces, scoped for residential and commercial settings.
Aquarium Maintenance
Reliable scheduled service that keeps your tank thriving — and you out of it. Plans for residential and commercial accounts.
Read more02 / 04Saltwater → Freshwater
Stop replacing fish. We convert failing saltwater systems into vibrant, low-maintenance freshwater displays.
Read more03 / 04Aquarium Relocation
Moving your home or business? We pack, transport, and reinstall your aquarium without losing fish or sleep.
Read more04 / 04Decoration Overhaul
Tired tank? We redesign the interior with fresh hardscape, plants, and driftwood for a complete refresh.
Read moreThe work, on the record.
BeforeAfterA failing reef tank in a hospital now a stable freshwater aquarium.
— AdventHealth Orlando
The 300-gallon system in the main atrium had been bleeding fish and budget for two years before we were called. Three different vendors, three different theories, no improvement. We audited the system, mapped a freshwater conversion plan, and rehomed the surviving saltwater stock with a local reef-keeper. Two weeks later the tank was running freshwater on a fraction of the equipment.
Saltwater sadness?
We have sympathy.
For the brave souls who tried their hand at saltwater: we don't service reef tanks, but we'd love to show you how easy it is to convert that quiet expensive heartbreak into a colorful freshwater work of art.
"Half the chemistry, none of the dead-fish texts."— A converted reef-keeper
The case against the reef tank.
The saltwater objection comes up in every consultation. Four reasons we built our practice on freshwater — and why our clients stop asking after year one.
Beautiful
A freshwater display has a calm, alive quality that no plastic-coral saltwater tank can match. It belongs in a room you actually use.
Lower Cost
Equipment, electricity, livestock, and chemistry — every input is a fraction of saltwater. Most clients see a 60–75% reduction in monthly cost.
Sustainable
Our fish are Florida-farmed, not reef-harvested. Every tank we set up is one less tank pulling from a wild ocean ecosystem.
Long-term Success
Freshwater is forgiving. With a competent maintenance schedule, a freshwater tank stays beautiful for years — not months.
Expert Service. Across the Sunshine State.
Greg runs all coastal operations directly — South Florida, SW Florida, and Tampa Bay — out of our Pembroke Pines studio. The Orlando metro is led by Caio, our partner contractor: same training, same protocols, same results.
South Florida
- Fort Lauderdale
- Pembroke Pines
- Hollywood
- Davie · Plantation
- Coral Springs
- Boca Raton
- Miami · Aventura
SW Florida
- Naples
- Fort Myers
- Bonita Springs
- Cape Coral
- Estero
- Marco Island
- Sanibel
Tampa Bay
- Tampa
- St. Pete
- Clearwater
- Sarasota
- Bradenton
- Brandon
- Wesley Chapel
Orlando Metro
- Downtown Orlando
- Winter Park
- Lake Nona
- Altamonte Springs
- Kissimmee
- Sanford
- Clermont
Outside these regions? Email us — for commercial groups we'll travel.
Quarterdeck · Ft. LauderdaleRun by hand. Not by franchise.
The Sign of Aquarium has been a freshwater-only practice since 2017. Greg leads every coastal install personally — South Florida, SW Florida, and Tampa Bay — out of one studio, one truck, one specialty.
We started with home tanks in Pembroke Pines, picked up our first restaurant in 2019, and now run aquarium service for healthcare lobbies, restaurant groups, and private collections up and down both Florida coasts. Greg handles all coastal regions himself; Caio runs the Orlando metro on the same protocols. We don't subcontract residential. We don't service saltwater. We do one thing, slowly, on schedule.
Greg, founderThe Sign of Aquarium · Est. 2017