Why Oil-Based Haze

Oil-based haze works differently from water-based haze. The oil-based formula produces smaller, lighter particles that stay airborne longer and disperse more evenly through large spaces. The result is an ultra-fine, silky atmosphere with exceptional beam clarity — light cuts through oil-based haze with sharper definition than through water-based alternatives.

The trade-off is that oil-based haze requires a dedicated oil-based haze machine (a different machine type than standard water-based hazers), and over extended heavy use, oil-based fluid can leave a light film on surfaces. For most professional applications — especially touring, arenas, and film — the superior hang time, lower consumption, and sharper beam quality make Pro the preferred choice.

Best For

• Touring productions — Consistent atmosphere night after night with minimal fluid resupply. One gallon lasts significantly longer than water-based fluid in comparable use.
• Arenas & large venues — Ultra-fine particles fill massive spaces evenly. Long hang time means less machine cycling to maintain density across a 20,000-seat room.
• Permanent installations — Theaters, theme parks, and attractions where haze runs daily. Low consumption means less maintenance and fewer fluid changes.
• Film, TV & studio — Superior beam clarity for cinematography. Dense, even haze that holds steady across long shooting sessions without visible density drift.
• Architectural lighting — Razor-sharp beam structures in lobbies, museums, galleries, and immersive spaces. Fine particles catch light without obscuring the environment.
• Houses of worship (oil-based systems) — Facilities running oil-based hazers get maximum hang time with the least visible machine activity during services.

Which Aurà Formula Do You Need?

The SurgeFX Aurà™ line includes three water-based formulas and one oil-based formula. The first decision is what type of haze machine you have — that determines which fluids are compatible.

Oil-Based vs. Water-Based: The Trade-Offs

Will this work in my haze machine?

Aurà Pro works in oil-based haze machines only. These are specialized machines (such as the MDG, Unique Hazer, DF-50, and similar oil-based crackers) that specifically require oil-based fluid. Standard water-based hazers are not compatible — using Pro in a water-based machine will damage the pump and internal components. Check your machine's manual if you're unsure which type you have.

How is oil-based haze different from water-based?

Oil-based hazers use a different vaporization method (oil cracking) that produces smaller, lighter particles than water-based systems. These particles stay airborne longer, distribute more evenly, and create sharper beam definition. The trade-off is that oil-based machines cost more, the fluid may leave a light film on surfaces over extended heavy use, and oil-based fluids cost more per gallon (though less per hour due to lower consumption).

Does it leave residue?

Oil-based haze can leave a light film on surfaces with heavy, prolonged use. For most professional applications — touring shows, arena concerts, film sets — this is minimal and managed through normal maintenance. However, if you're operating in a venue that's sensitive about surface residue (galleries with delicate finishes, certain historic theaters), discuss this with the venue in advance. Water-based formulas like Elemental or Essence leave zero residue — but require a water-based machine.

Is it safe to breathe?

Aurà Pro is unscented and formulated for professional indoor use. Oil-based haze is widely used in touring, arena, and film production environments. As with any atmospheric effect, ensure adequate ventilation for extended runs, and be aware that some individuals may be more sensitive to oil-based haze than water-based. Follow your machine manufacturer's ventilation guidelines.

How much fluid does it use?

Oil-based hazers are extremely fluid-efficient — significantly more so than water-based machines. Exact consumption varies by machine model and output level, but oil-based systems typically use a fraction of the fluid that water-based hazers consume for comparable atmospheric coverage. One gallon can last through multiple full-length shows depending on your setup and venue size.

Will it trigger smoke detectors?

Any atmospheric effect can trigger smoke detection systems. Oil-based haze's extremely long hang time means density can build up gradually to levels that trip detectors even at low output. Coordinate with the venue on detector management before every show. This is standard practice for any professional haze application.

Is haze fluid the same as fog fluid?

No. Haze and fog are different effects requiring different machines and fluids. Aurà Pro is a haze fluid for oil-based haze machines — do not use it in any fog machine. For fog fluid, see the Nebula™ fog fluid line.

Can I use this in a water-based hazer if I just want longer hang time?

Absolutely not. Oil-based fluid in a water-based machine will damage the pump, clog internal components, and void the warranty. If you want longer hang time from a water-based machine, use Aurà Essence — it's the longest-hanging water-based formula in the Aurà line.

Oil-Based Haze Rewards Low Output

Because Pro's particles hang so long and the fluid consumption is so low, you need far less output than you think. Start at the lowest setting and let the haze build over 20–30 minutes. Oil-based haze accumulates slowly but relentlessly — if you start high, you'll overshoot the density you want and have to wait a long time for it to dissipate. Patience during initial fill pays off with perfectly consistent atmosphere all night.

Manage Accumulation, Not Just Output

With water-based haze, you're often adding haze to replace what dissipated. With oil-based haze, the challenge is the opposite — preventing over-accumulation. In enclosed spaces with minimal HVAC, oil-based haze can build to densities that reduce visibility and trigger alarms. Monitor density visually throughout the show and be ready to pause the machine. Some operators run in timed intervals rather than continuously.

Plan for the Film Factor

Oil-based haze can leave a light film on surfaces over time. For one-off shows, this is rarely an issue. For multi-day runs, permanent installs, or residency setups, plan a periodic wipe-down of affected surfaces (lighting fixtures, lenses, glossy floors). Inform the venue so they can include it in their maintenance schedule. This is a known trade-off of oil-based haze that professionals plan around.

Coordinate Detection — Every Venue, Every Time

Oil-based haze's extreme hang time makes detector management especially critical. Haze that you put into the air at soundcheck will still be there when doors open hours later. Contact the venue about their smoke detection system during the planning phase. Arenas, theaters, and large venues almost always have protocols for this — the earlier you ask, the smoother load-in goes.

Clean Your Machine Regularly

Oil-based hazers require more regular cleaning than water-based machines. Follow your machine manufacturer's maintenance schedule — this typically includes cleaning nozzles, checking fluid lines, and wiping residue from output ports. Consistent maintenance keeps output quality high and extends machine life. Use only the cleaning products recommended by your machine manufacturer.

Pair With Your SurgeFX Rig

• Haze Machines — Haze Master Duo, Haze Master Pro
• Aurà Elemental — Balanced water-based formula (for water-based machines)
• Aurà Essence — Long-lasting water-based formula
• Aurà Whisper — Fast-dissipating water-based formula
• Stage Lighting — Haze makes every beam, wash, and gobo visible
• DMX Cable — Connect your hazer to your DMX chain