Biokleen Bac-Out - Carpet Cleaner Solution - Enzyme Odour & Stain Remover - 3,8 L

This stuff is amazing. I have a hallway that was targeted by both my cats and dogs. I tried everything to get rid of the smell. Spent an absolute fortune. I saw this, although I did think it pricey, I thought why not. Best decision ever made. I put it in a spray bottle and sprayed it neat on the floor. Saturated it. Left it sit for a bit then blotted it with a damp mop. Sprayed it again for good measure and just left it this time. I'm absolutely delighted to say that the foosty, dirty, peepee smell is gone. I no longer want to gag and cry simultaneously anymore. Beyond happy.

This product hasn’t worked for us and we have found much better products.

I’ve been using the 128‑oz Biokleen Bac‑Out Enzyme Stain & Odor Remover for a few months now, and here’s my take from real-life use: ⸻ ✅ What I Love • Effective on tough stains and odors It tackled old pet stains on my carpet and even wine drips on my couch. After letting it sit, the spots and smells disappeared without me having to scrub madly  . • Safe and eco-friendly No harsh chemicals—plant-based, biodegradable formula with live enzymes. It’s certified by Green Seal for safer cleaning . Great for a pet-filled and kid-friendly home. • Fresh, subtle scent The lavender-lime scent is mild and pleasant—no chemical bleach smell. Even better: it disappears quickly, leaving things smelling neutral . • Multipurpose cleaning I’ve used it inside my washing machine for sweaty gym clothes, on carpet spills, upchuck from my cat, and even diaper stains. It’s tackled them all successfully . ⸻ ⚠️ What to Know Before You Buy • Use enough and let it work You need to saturate the stain and let the enzymes dwell for at least 10 minutes—longer for deeper-set messes. Wiping it too soon cuts effectiveness  . • Big jug, big space The 128-oz bottle is a bit bulky, so I ended up transferring some into a smaller spray bottle for spot cleaning convenience . • Some shipping issues A few buyers mentioned leaks during delivery. Mine arrived okay, but worth knowing if your bottle comes via mail . ⸻ 🧭 Final Verdict If you’re dealing with organic stains—like pet mess, food, wine, or workout clothes—and want a safer, eco-friendly option, this formulation really delivers. Just use it as directed (saturate and wait), and be aware of the bottle’s size. In short: powerful, plant-based enzyme cleaner that works across multiple mess types—just give it a bit of space to work, and maybe prep a spray bottle for ease of use.

TLDR: Buy this. It's magical. And it smells wonderful (limey). See pics -- total time (stain to clean: 2 LITERAL minutes!) BIOKLEEN (Magical Witchcraft Potion): I've used this product for years (multiple critters in the home), never writing a review before this. Recently, Thing One decided to start throwing up his food and I learned that food turn a bilious bright yellow when it comes back up. All my light colored carpets are where he prefers to throw up (not the hardwood floors). Thing Two is experiencing some kind of gastrointestinal disturbance and is leaving little piles of love outside the litter, again, on the light colored surfaces. Enter Magical Potion (BIOKLEEN). This will seem like an exaggeration -- all I can say is try it for yourself. LITERALLY, I sweep/vacuum up whatever has dried and can be removed. Then, I wet the stain with BIOKLEEN. The first time I got busy with laundry and forgot to return to scrub after spraying, and guess what? IT WAS GONE. The stain was LITERALLY GONE -- no scrubbing, no panting, no cursing, no hoping. This stuff literally ate it up! I was astonished and it was too late to take a pic. So this time, I've shared the TWO MINUTE process in pictures. From stain to gone (one minute 56 seconds). I did use that siliconey scrubbie looking thing, but it wasn't necessary. Magical. One Caveat: I got overexcited one time and poured the liquid from the jug (instead of spraying). I would not advise this on carpets. It worked spectacularly to remove the stain (again, no scrubbing) BUT, I think it became OVER-SOAKED and when it dried, the carpet (a large 10x12 ft) was ever so slightly bumpy in the surrounding area, as though some fibers stretched out or shrunk during/after the soaking. Sort of like when you get sisal or jute wet and then it never lays flat again). So -- long/short: Buy it, use it, SPRAY it (don't jug-it), and love it. :-)

This is it. This saved my girlfriend’s mildew ridden car. To prove this isn’t a fake review, I will disclose I wet my bed every night except I don’t, not really. Long story short, we bought a car with an insane mildew smell that I assumed ozone or chlorine dioxide would fix. Neither worked. I ended up tearing the car apart—literally. I removed padding, cleared all trapped water, then ran ozone and chlorine dioxide again. It still smelled. The mildew had sat so long it coated everything—under the dash, deep crevices, places you can’t reach without full disassembly. The carpet itself was soaked, including the rubber backing, which had been in contact with moisture the longest. I genuinely thought it was unsalvageable and started shopping for replacement carpet. Local options were nonexistent, and junkyard carpets were in bad shape. As a last attempt, I sprayed this product on the interior, soaked the rubber backing, then shampooed the carpet with dawn detergent after letting it sit overnight. It 95% erased the remaining mildew smell. Per their guide, soaking overnight (or at least 30–60 minutes) and then air-drying with a fan is key. There were still a few areas I had to physically remove—like seam caulking in the metal body, which can harbor mildew and must be cut out and replaced—but this product ended a month-long nightmare. I have genuine love for this product and would recommend trying it before anything else. That said, my situation was not typical. This was an extreme case. An ozone generator or chlorine dioxide bomb alone might work for most cars. Mine had a sunroof leak and a bad rear trunk seal or torn rubber molding—two active water intrusion points. The previous owners apparently just lived with it. It was absolutely insane.

My bottle arrived with the seal in tact and the cap on but it was leaking. Not much came out so I didn’t bother to return it. I have no idea how to really use it. So I filled the carpet cleaner machine with 1/3 cleaning solution and 2/3 water. I went over the pee stains a few times and then let it sit for 10-15 mins. Then I used the dry only function on the carpet cleaner. ALL THE STAINS ARE GONE!!! 100% GONE!!! My room smells so clean. It’s not a strong odor but it’s pleasant. I would like better instructions for the carpet cleaner. And I was a little disappointed it leaked. But I have never used anything so effective before and I have tried ALL the products. As another reviewer mentioned, Natures Miracle used to be amazing and now it sucks. This is gonna be my replacement for that product.

My male cat has always had issues with marking outside the litter box but the problem really skyrocketed when we moved into a new house and got a new kitten. Suddenly he started peeing on the carpet all across the house which he never used to do. I tried literally 6-8 different cleaners (can't even remember how many at this point) to get the smell out, including some of the most highly recommended ones, but nothing worked to get it out completely even after treating the area multiple times. I could still smell it if I got close and he certainly could as well because he kept re-marking the same spots. I was on my hands and knees scrubbing the carpet almost every single day and I was completely at my wit's end. After yet more research I saw this cleaner being recommended in a few different places and decided to give it a try, even though it was a bit pricey and I had basically no hope left. First of all it smells really good, definitely the best of all the cleaners I've tried: a light, pleasant lime-y scent. But more importantly...it WORKS! I was shocked when I used it on one of the spots and it completely took the smell of urine out, even when I stuck my nose in the carpet to see if I could still smell it. It literally kills the stench completely, you can tell a night and day difference just walking into the room after cleaning with it. Even a week later I can still smell the cleaner on the carpet but in a GOOD way, it just smells nice and clean. As I treated all the spots throughout the house I found that it took care of 95% of them on the first treatment. Only a few times did I have to treat a spot twice, which is a small price to pay. But I know it's working because my cat is no longer going back to mark those same spots even several weeks later!!! Hallelujah!!! This cleaner, along with a special brand of litter to attract cats, has cut way down on my cat's accidents. I know he'll likely do it again at some point but I no longer dread it as much now that I have this cleaner in my arsenal. I only wish that I had started with this one because I could have saved myself a ton of time and money!