Pet Urine Odor Eliminator PE-51 One Gallon - Professional Enzyme

Our review of the PE-51 Pet Urine Odor Eliminator finds it best suited to homeowners and pet-care facilities that need a concentrated, outdoor-safe enzymatic solution for persistent animal odors. The one gallon refill concentrates into 64 gallons of working solution, making it an economical choice for yards, artificial turf and dog runs where odors recur. The biggest reason to buy is its enzyme-based action that breaks down odor-causing proteins rather than simply masking smells, which delivers noticeably fresher outdoor areas after application.

Key Features

• Enzymatic formula: Uses natural enzymes to break down urine proteins so odors are eliminated at the source instead of covered up.
• Concentrated refill: One gallon of PE-51 makes about 64 gallons of ready-to-use solution, extending coverage and lowering cost per use.
• Outdoor-safe: Biodegradable and safe to use around plants and on dog runs, making it suitable for yards, patios and artificial turf.
• Wide coverage: The concentrated formula covers roughly 4,200 to 4,700 sq ft when diluted as directed, so a single purchase serves large areas.
• Fresh scent: Leaves a clean, outdoor-friendly scent that reduces urine smell soon after application for immediate relief.

Who It's For

This product is ideal for pet owners with artificial turf, homeowners with fenced yards, and facilities that manage multiple dogs such as day-care or kennel spaces. It fits users who prefer an eco-friendly, enzymatic approach and need a refill concentrate to treat large areas economically.

It may be less suitable for someone who wants an instant, long-lasting perfume-style masking product or for tiny indoor stains where a ready-to-spray bottle would be more convenient. Also, users who expect permanent single-application results should note enzymes often require repeat use for persistent odor sources.

Pros & Cons

Pros

• Effectively breaks down odor-causing proteins on artificial turf and outdoor surfaces.
• Concentrated one gallon refill yields a large volume of working solution for cost efficiency.
• Biodegradable and safe around plants and pets, so it can be used broadly outdoors.

Cons

• Some customers report mixed longevity, so repeat applications may be required for stubborn or frequent soiling.

Specifications

Product	PE-51 Pet Urine Odor Eliminator
Format	One gallon concentrated refill
Yield	Makes about 64 gallons of working solution
Coverage	Approximately 4,200-4,700 sq ft when diluted
Use areas	Artificial turf, grass, patios, decks, yards, dog runs
Formula	All-natural enzymatic and biodegradable

Our Verdict

The PE-51 is a practical choice for anyone managing outdoor pet areas who wants a concentrated, enzyme-based deodorizer that targets urine proteins. It offers strong value for large spaces and facilities due to its dilution yield and outdoor-safe formula, though persistent odors may need occasional reapplication to maintain freshness.

Frequently Asked Questions

Is this safe around plants and pets?
Yes, the formula is enzymatic and biodegradable and is described as safe to use around plants and in areas where pets frequent.

How much working solution does one gallon produce?
One gallon of the concentrated PE-51 produces about 64 gallons of ready-to-use product when diluted as directed.

Can it be used on artificial turf?
Yes, the product is specifically formulated to remove pet urine odor from artificial grass and other outdoor surfaces.