Scents
Sense of smell for animals is their biggest asset, which makes them more of a challenge to hunt. Using the right scent at the right time and place can help steer game in your direction. From best-selling Doe Estrous urine to Grave Digger® soils and cover scents, our scents deliver true-to-life effectiveness to help you take down your next target.
One Deer. One Bottle.
Deer rely on their nose above everything else, which means your scent strategy is either working for you or against you. Code Blue’s lineup of 44+ deer scents is built around one uncompromising principle: the purest scent produces the best results. Every real-urine product in the Code Blue line is collected using the proprietary From One Deer to One Bottle® process, guaranteeing single-source urine that blended-bottle competitors simply can’t replicate. Each bottle is labeled with its deer’s unique registration number, so you know exactly what you’re putting in the field.
The lineup spans different application formats covering liquid, gel, stick, aerosol, scented soil, and purpose-built dispensing systems. From the first cold front of early October through the last days of the late rut, there’s a Code Blue scent built for the moment you’re hunting.
- Best-selling Doe Estrous and upgraded Screamin’ Heat® (collected using From One Deer to One Bottle®) deliver the most potent, single-source estrous urine available for the peak rut window.
- Scrape-focused hunters can choose from Scrape Mate®, Scrape Mate® XL, and Rack Rub® gel to keep mock scrapes and licking branches freshly worked and irresistible to bucks checking their signpost routes.
- The Grave Digger® Doe Estrous and Grave Digger® Scrape Mate® scented soils let you build or freshen mock scrapes with a ground-level scent presentation that looks, smells, and behaves like the real thing.
- Purpose-built dispensing systems, including the Rope-A-Dope® and the Buck Angler® licking branch system, take the guesswork out of scent placement, putting buck-stopping scent exactly where you need it.
- All Code Blue and Code Red® real-urine products are RT-QuIC tested for CWD and certified through the RHSA Deer Protection Program, making Code Blue one of the most responsibly sourced scent lines on the market. Pair your scents with Code Blue scent elimination products for a complete scent control system.
Real Urine or Synthetics? What's Right for You?
Code Blue offers real-urine and synthetic scent options, each built for a different hunting scenario and budget. Understanding the difference helps you put the right tool in your pack before the season opens.
- Code Blue®: The go-to choice for serious rut hunters who want verified, single-source potency. Products like Doe Estrous, Screamin’ Heat®, and Buck Urine carry the From One Deer to One Bottle® guarantee, amber glass packaging for maximum freshness, and RT-QuIC CWD certification. If you’re hunting mature bucks during the rut, this is your line.
- Code Red®: Real deer urine at a budget-friendly price point, perfect for high-volume applications, mock-scrape saturation, or hunters newer to scent tactics. The Code Red® Buck-N-Does Combo and Code Red® Doe Estrous Full Rut Supply give you more fluid per dollar without sacrificing the real-urine effectiveness that synthetic blends can’t match.
- Grave Digger® Scented Soils: Still real urine, different format. Grave Digger® Doe Estrous and Grave Digger® Scrape Mate® soils deliver authentic single-source urine in a ground-level scrape format, giving you both the scent and the visual presentation of a freshly worked scrape. It's real-urine effectiveness built specifically for mock-scrape hunters.
- Synthetics: The choice for states with real-urine restrictions, or when you want a scent-free, low-impact approach. Code Blue synthetics mimic the biological signals of real deer without using collected urine, making them a legal and versatile option for any phase of the season. Browse the full Synthetics lineup. Pair with a full scent elimination system for a complete scent control strategy.
FAQ
What is doe estrous scent and how does it work?
Estrous scent is urine collected from a doe during her estrous (heat) cycle, the brief window each Fall when she is receptive to breeding. When a buck detects this scent, his natural drive to breed overrides his caution, making him far more likely to move during daylight and commit to a location. Products like Code Blue’s Doe Estrous and Screamin’ Heat® are most effective from mid-October through the peak rut in November, when bucks are actively seeking does.
What’s the difference between doe estrous and doe urine?
Doe Urine is standard, non-estrous urine collected year-round. It signals that a doe is present and comfortable in the area, making it a low-pressure option for early-season or all-season use. Doe estrous urine is collected only during the peak cycle window and sends a far more aggressive breeding signal. For mid-to-late season hunting when bucks are on their feet looking for receptive does, estrous products are the stronger choice.
What is the From One Deer to One Bottle® process?
From One Deer to One Bottle® is Code Blue’s proprietary collection protocol that certifies every bottle of real Code Blue urine contains scent from a single deer, not a batch blended from multiple animals. This matters because blended urines produce a confusing, mixed scent signature that can put deer on alert. The single-source process delivers a cleaner, more authentic scent that’s proven to be more potent and consistent. Every bottle is labeled with the corresponding deer’s unique registration number for full traceability. You can see this guarantee on the full Code Blue® scents lineup.
Which Code Blue scent should I use during the pre-rut vs. peak rut?
During the pre-rut, bucks are on their feet establishing scrapes and checking doe bedding areas. Scrape Mate®, Buck Urine, and Rack Rub® gel work well on mock scrapes and licking branches at this stage. As the rut peaks and bucks are actively seeking does, shift to Doe Estrous or the more aggressive Screamin’ Heat® to pull in cruising bucks looking for their next estrous doe.
What scent format (liquid, or scented soil) should I use?
Liquid scents like Doe Estrous pour freely and work well with drags, wicks, and dripper setups for covering ground or creating scent trails. Gel formulas like Doe Estrous Gel, Tarsal Gland Gel, and Rack Rub® are ideal for licking branches, mock scrape edges, and spots where you want scent to linger without evaporating quickly. Scented soils from the Grave Digger® line are designed specifically for ground-level scrape building and give you a visual and olfactory presentation simultaneously. Browse the full accessories category for wicks, drags, and dispensers to complete your setup.
Can I use Code Blue scents for species other than whitetail deer?
Yes. While most of the lineup focuses on whitetail, Code Blue also offers Sow In Heat Urine for boar hunters, and cover scents like Fox Urine and Coon Urine that are useful for masking human odor when hunting a variety of species. The full Cover Scents category covers these options in detail.
What accessories does Code Blue offer for scent application?
Code Blue offers a complete range of application accessories to pair with its scent lineup. The Doe Estrous Drag System and Double Drag Combo lay scent trails to your stand. The Rope-A-Dope® and new Soak-A-Rope™ create elevated, branch-level scent dispersal. The Buck Angler® is a full licking branch system that combines a pre-orbital and tarsal scent application point in one setup. Browse all options in the accessories section.
How should I store Code Blue deer scents to maintain potency?
Real-urine products like Doe Estrous and Screamin’ Heat® come in amber glass bottles specifically designed to protect against light degradation and preserve potency. Store them in a cool, dark location (a refrigerator is ideal between uses). Code Blue’s gel and stick formats like Tarsal Gland Gel and Screamin’ Heat® Stick are shelf-stable but should also be kept out of direct heat.