Consulting · Design · Engineering
Full-scope design, life-support engineering, and coral husbandry for zoos and aquariums, from a headline public exhibit to a land-based rescue and propagation system. Our work supports the AZA SAFE Coral Program and the Florida Reef Tract Rescue Project.
35+ yrsgrowing & keeping reef coral
300+coral species in the flagship build
AZApartner zoos now hold our colonies
Florida-basedserving institutions nationwide
0m · Surface — What we do
Most reef exhibits pass through a designer, an equipment vendor, and a livestock supplier, none of whom talk to each other. We do all three ourselves, so nothing gets lost between the drawing and the finished reef.
Strategy for new exhibits, plus expert backup for the systems already in your care, including ones we didn't build. Whether you're planning a reef or keeping an inherited tank alive, your team gets the expertise it needs.
Aquascape and visitor-experience design that produces a real reef, not a fish tank. We plan sightlines, depth zones, and lighting so the display can teach and still stop people in their tracks.
The life support behind the glass: filtration, flow, chemistry, and automation, all built with enough redundancy that a single failure never reaches the animals.
−1.5m · Below the surface — Automation
Dr. Bull holds a PhD in computer science and engineering, with a focus on security, redundancy, and risk management. It's the same discipline, applied to living systems. Automation gives you stability, faster alerts, lower running costs, and a precision you can't match by hand. But the more a reef leans on automation, the more it depends on that automation holding, so every automated function has a fail-safe behind it.
These same methods kept a 5,000-gallon coral aquaculture facility running through upstate New York winters and several extended power outages, all managed remotely, with alerts reaching a phone hundreds of miles away and every animal fine by morning. That original Bull Reef Aquaculture facility has since closed, but the engineering that kept it alive and thriving is exactly what we now bring to your reef.
Battery backups on every return pump, a whole-facility generator, doubled critical devices, and cold spares on the shelf. Nothing mission-critical rides on a single point of failure.
Kalkwasser, a pH-controlled calcium reactor, and two-part dosing with trace elements all work together, so if CO₂ runs out or a doser fails, alkalinity and calcium still hold.
pH, conductivity, temperature, and layered optical water-level sensing, with alerts prioritized so a return-pump failure reaches you before a harmless pH swing does.
Solar and lunar cycles, plus a seasonal temperature curve modeled on the Coral Triangle, build hardier coral and nudge the system toward natural spawning cues.
Heat the air rather than the water, reclaim HVAC and dehumidification heat, and let the system's thermal mass carry it through outages. The result is lower operating cost and steadier water.
RODI generation, auto top-off, and salinity control, all sensor-driven, so a large system makes its own water and holds its levels with minimal hands-on work.
And what we won't automate. Feeding, daily observation, the trained eye on the glass. That's the judgment that catches a problem before a sensor can. Automation should free your aquarists to observe, not replace them, and we build around that principle on whatever platform fits: Apex, Hydros, or custom logic.
−2m — Data & intelligence
Most controllers log their readings and will graph the last week or month of them on the display, covering temperature, pH, salinity, and whatever else you have on a probe. That window slides forward as it fills, and what drops off the back is gone. What they don't do is accumulate. You can't set this July beside the last five, hold one system against the others in the building, or trace a decline back to the week it started. When one colony thrives and the one beside it fails, the answer is often in data the controller had and then overwrote.
We build what goes on top of that hardware: the instrumentation, the data collection that outlives the controller's memory, and the analysis that turns years of readings into something your staff can question directly. It also gives early warning about where a system is heading.
Deciding what's worth measuring, then measuring it reliably. Water chemistry, flow, level, power draw, and room conditions, including the things most facilities never instrument because no off-the-shelf probe covers them.
Every system captured on a fixed interval and kept as a permanent institutional record. Nobody has to remember to write anything down, and the history doesn't end when a staff member moves on.
An AI layer with access to that record and to how your systems are programmed, so a question about last summer's temperature swings is answered from your own data and configuration.
Notification that weighs a reading against how that system normally behaves, so you hear about the slow drift that never trips a fixed limit. Alarm fatigue is what quietly kills a monitoring program.
Projecting a trend to where it crosses a limit, and connecting signals that look unrelated in isolation. A slow alkalinity slide alongside a climbing reactor pH is one problem with one cause.
Years of parameter history, husbandry events, and equipment behavior, structured for research, grant reporting, and gene-bank documentation. For coral rescue and propagation work in particular, this is the evidence base the field mostly lacks.
Wondering what this would look like across your systems? Tell us what you'd want to know →
−3m — How a reef gets built
A reef exhibit gets built in stages, not bought off a shelf. Each stage sets up the next, so animals only go in once the system has proven it can hold them.
We evaluate your space, utilities, budget, and audience, then define the reef your institution can actually run for the next decade.
Aquascape, lighting, and visitor experience are designed together with the life-support system that keeps the reef alive, as one integrated plan.
Filtration, flow, chemistry, and automation are installed with redundancy, then run and tuned until water quality is rock-steady.
Aquacultured coral and reef life, drawn from an established network of colonies now held across AZA institutions, go in gradually so the ecosystem matures without shock.
We train your team and stay on call, with husbandry protocols, coral replenishment, and support long after the ribbon is cut.
−6m — Case study
Inside a small city zoo, a former auditorium became the second-largest coral reef exhibit in the Northeast. One 2,500-gallon system links two displays, a soft-coral habitat and a reef-building stony-coral community. Together they hold more than 300 species of coral alongside fish and invertebrates.
Every coral traces back to founding mother colonies Dr. Bull cultivated over decades, and the Utica Zoo now safeguards part of that living collection. It runs on a purpose-built life-support system designed as a complete biome, from the bacteria in the sand to working fish that each do a job in the nitrogen cycle, with a dedicated backup generator protecting the animals when the power fails.
“This wasn't just locally donated — it was locally grown. It's a living, breathing Earth-science experiment that children can go see.” — Michael P. Galime, Mayor of Utica
Its conservation story doubles as a lesson. Coral is an endangered animal, not a plant. On opening weekend, kids were already finding Nemo. The reef is also one node in a distributed living gene bank. The same coral lineage now lives at AZA institutions coast to coast, from the Utica Zoo in New York to the Point Defiance Zoo & Aquarium in Washington. From there, it can be pruned, fragmented, and shared with zoos and aquariums across the U.S. and abroad.
−9m — For conservation partners
Florida's Coral Reef is in crisis. Stony coral tissue loss disease and record heat have pushed reef-building species toward functional extinction, and much of the response is now happening on land, inside AZA aquariums.
We design and engineer the infrastructure behind that work: land-based holding and quarantine systems, gene-bank and grow-out arrays, and the husbandry protocols to run them. This is capacity built specifically for SAFE Coral and Florida Reef Tract Rescue institutions.
Mobilizes accredited zoos and aquariums to save corals from extinction and strengthens husbandry through the Coral Aquarist Program. It's the exact expertise we help partners build in-house.
Gene-banks corals rescued ahead of disease, held in land-based facilities to preserve genetic diversity and propagate for reef recovery. Every holding facility is a life-support engineering problem, which is our specialty.
Standing up a holding facility, expanding propagation capacity, or training aquarists? Let's talk it through →
−12m — Who you're hiring
Dr. Bull started keeping saltwater corals at age six, tending tanks in his bedroom. More than 35 years of cultivating coral later, he grew every one of the 300+ species in the Utica Zoo's landmark exhibit. He has since closed the farm behind it and relocated to Florida to focus entirely on consulting, design, and engineering.
Those same founding colonies now seed a living gene bank held across AZA-accredited institutions nationwide, a hedge against the decline of coral in the wild.
When an institution hires Bull Reef, it hires the team that knows all of the livestock in the exhibit and every part of the system that sustains it. Design, engineering, automation, and stocking all come from the same people, from the first sketch through the years the reef is alive.
−15m — Common questions
Every coral reef exhibit is custom, so cost depends on scale, system complexity, life-support and automation requirements, and whether it's a new build or a retrofit. There is no price list. We start with a short conversation about the size of the system, what you have to spend, and when you need it open, then design to fit.
Timelines vary with the size and complexity of the system. Every exhibit moves through five phases — assess, design, engineer & build, stock, and sustain — and we give you a realistic schedule once the project is scoped. Living reefs also need a maturation period after the build before they're fully established, which we plan for from the start.
Both. We design and build new coral reef exhibits from a blank wall, and we also assess, renovate, and upgrade existing or inherited systems, improving life support, flow, chemistry, automation, and coral health. If your institution has taken on an aging or underperforming reef exhibit, we can help bring it back to life.
A coral gene bank is a living, distributed collection of founding mother colonies held across trusted institutions, so genetic diversity is preserved and can be propagated rather than re-collected from wild reefs. Our colonies are maintained across AZA-accredited partners, and they can be divided, grown out, and distributed to zoos and aquariums in the U.S. and internationally. As wild reefs decline, these living banks are increasingly important for conservation, research, and restoration.
Coral rescue and propagation systems are land-based setups for holding, quarantine, gene-banking, and grow-out, engineered so vulnerable or rescued corals can be stabilized, propagated, and redistributed. We design these for SAFE Coral and Florida Reef Tract Rescue Project institutions, sizing life support and automation to the species and volume involved, and can help expand propagation capacity or stand up a new holding facility.
Yes. Beyond design and build, we train aquarists and provide ongoing husbandry support so your team can confidently maintain a living reef. We automate heavily and engineer systems to fail safely, but the goal is to free your staff to observe and care for the animals — not to substitute for an experienced aquarist's judgment.
Yes, and it's a distinct part of the practice. We design instrumentation around what a facility actually needs to know, retain the readings so the history outlives any one controller or staff member, and add an analysis layer that answers from your own operating record. It reaches into forecasting, flagging a trend heading toward a limit while there is still time to act, and into structuring the data for research and grant reporting. These are custom engagements scoped to the facility rather than packaged software, and we take on a limited number at a time.
Bull Reef Consulting is based in Florida and works with AZA-accredited zoos and aquariums across the United States. Because our work centers on a distributed, living coral gene bank, we also share and support coral collections with institutions internationally. As a service-area business, we travel to your site for design, engineering, and installation.
Ascent · Start here
Whether you have a funded capital project or a blank wall and an idea, a short conversation will tell you what's possible: rough gallons, a budget range, and a timeline.