DDC rust and scale test
CLR ran 36 hours and failed. HCR cleared 20-year rust and scale in about 30 minutes, verified by DDC Engineering.
Replaces: CLR / muriatic acidVertKleen has cleared 20-year rust, run full brewery CIP, descaled refrigeration plants, and washed occupied campuses, all at HMIS 0-0-0. Here is the field record, before and after, with the numbers.
Filter the proof by the problem your buyer needs solved: water, food and beverage, distribution, or facilities.
CLR ran 36 hours and failed. HCR cleared 20-year rust and scale in about 30 minutes, verified by DDC Engineering.
Replaces: CLR / muriatic acid
CR alkaline wash plus HCR acid wash matched the caustic and acid sequence across brewery trials with safer handling.
Replaces: caustic soda + acid blend
HCR matched the CIP acid clean at less than half concentration and left no nitrogen or phosphorus in the effluent.
Replaces: conventional CIP acid
Descaler proof supports heat-transfer recovery, shorter cleaning windows, and broad metal safety for refrigeration assets.
Replaces: Calci-Solve / acid descalers
MultiWash was used with drone pressure washing to clean exterior surfaces while the facility remained occupied.
Replaces: harsher exterior cleaners
CRHD cut baked-on grease from kitchen equipment and floors with low foam and no solvent or butyl odor.
Replaces: solvent degreasersVertKleen LAM3 on an exterior surface: spray, walk away, no bleach and no harm to surrounding plants.


Each result was run on a working site with the building or operation live. Sources are MASEST field reports and partner documentation.
CLR ran for 36 hours and failed. VertKleen HCR cleared the same rust and scale in half an hour, verified by DDC Engineering (David DaSilva, PE).
Source: DDC Engineering rust test
CR alkaline wash then HCR acid wash matched or beat caustic soda plus acid blends at equal concentration and CIP time. HCR's low pH also sanitizes, dropping a separate step.
Source: brewery trials, incl. HellnBlazes (endorser)
CRHD at about 50% active replaced Simple Green and Calci-Solve for heavy degreasing, saving an estimated $10k+ per year at one center. Crown and Plug Power approved.
Source: Walmart DSC program
VertKleen Torque cleaned and protected the hull and topsides in one step, within OEM finish-care requirements, with no harsh fumes around the water.
Source: Yellowfin vessel wash
Clean Team USA used VertKleen MultiWash with an Apellix pressure-washing drone to clear years of scale and algae from trim, caulking, and glass, with the hospital occupied.
Source: UF Shands drone wash
NeatFreaks crews ran VertKleen across Boca Raton restaurants. About 32 oz of CRHD mopped 2,500 square feet, replacing caustic and solvent degreasers.
Source: NeatFreaks application reports
VertKleen Descaler cleared scale from a fire-protection pump without acid washing, on a Siemens maintenance program, with no aggressive corrosion to the assembly.
Source: fire-protection maintenance
A residential AC coil was cleaned and preserved with VertKleen Descaler, fin-safe on aluminum, reportedly cutting about $75 per month off the cooling bill.
Source: residential AC coil report
AlumiBrite and Torque restored the hull and aluminum on a working tourist airboat, without the hydrofluoric or hydrochloric acid standard brighteners rely on.
Source: airboat application
VertKleen HCR cleared heavy rust and scale on Brevard County farm HVAC and diamond-plated stainless, with no muriatic acid and no pitting of the metal.
Source: Brevard County farm HVAC
CR and LAM3 cleared biological growth and grime from grout, stucco, and exterior surfaces, including a painted column that came fully clean over about two weeks with no harm to the paint.
Source: property maintenance applications
CRHD cut baked-on grease from commercial kitchen equipment and floors at high dilution, low-foam for easier rinse, without solvent or butyl odor in the space.
Source: commercial kitchen cleaningCarib Brewery (CBUSA) lab evaluation, HCR versus the conventional CIP acid. HCR matched the clean at less than half the concentration and left no nitrogen or phosphorus in the effluent.
| Measure | VertKleen HCR | CIP acid (replaced) |
|---|---|---|
| pH | 1.0 | <1 |
| Sample concentration | 7% | 15% |
| Nitrogen (mg/L) | 0 | 33,300 |
| Phosphorus (mg/L) | 0 | 48,950 |
| COD (mg/L) | 0 | 0 |
Rust-removal test: on four sections of one rusted heat-exchanger plate, HCR removed the rust completely without effort while the in-use CIP acid left rust behind under more scrubbing. Source: Carib Brewery (CBUSA) lab results.


Tell us the worst unit you have. MASEST will scope a side-by-side trial and route a quote.
Book a Free Chemical Audit