- Pro HD Heavy Duty Cleaner Concentrate 1 Gallon Bottle

Works great for suppressors and other steel firearm parts. Used it to find the almost forgotten glimmer from an obsidian 45 and a trash panda. Works well with BCGs too. Says it’s safe for aluminum but I wasn’t brave enough to test it.

I’m really impressed with Simple Green Pro HD Heavy Duty Cleaner. This stuff is a beast when it comes to cutting through grease, oil, and built-up grime. I’ve used it in the garage, on tools, floors, and even some tough outdoor messes, and it performs flawlessly every time. The concentrated formula is a huge plus — a little goes a long way, and I like being able to dilute it depending on how tough the job is. It cleans deeply without leaving behind a harsh chemical smell, which is a big win compared to other heavy-duty cleaners I’ve tried. For a full gallon, the value is excellent, and the performance easily matches (or beats) much more expensive products. If you need a reliable, professional-grade cleaner that gets the job done right, this is absolutely worth buying. Highly recommend! 💪🧼

I use this inside my ultrasonic cleaner for automotive and motorcycle parts. Works great!

1to 4 mix for sonic cleaner very good for carbs.

This is an Excellent Floor Cleaner. ✅ ✅ ✅. It is a “degreaser.” This was exactly what the floor needed. It seemed to have not really been cleaned 🧽 in 2-3 years 🗓️, before, I moved here. The floor was so dirty and filthy. It kept getting more and more filthy, even after cleaning it with the best cleaner that had been used by family for three generations. The sludge, filth and stains would just reappear. I felt that I was in some type of FX, Sci-Fi movie. Vibes from the movie 🎥, “The Exorcist 😈 “ or similar genre. I was seriously considering calling in a Catholic priest and have him bless the place or do an exorcism, if necessary. Finally ⏰ , this product was recommended. I can now walk in “Cleanliness.” 😁 Many times, when regular floor cleaners are not performing well, it is because they do not have the capacity to Degrease. Using this product has made a World 🌎 🌍 🌏 of Difference. Thank you. Thank you. Thank you. 😊 to the makers of this product. 👏👏👏

Sold on this stuff! Excellent degreaser and cleaner at 4:1. Goes a long way, making it very cost effective for shop use. Suggest using the Zep spray bottles.

Great for ultrasonic cleaning carburetors etc.. but not for general cleaning purposes because it’s so heavy duty could damage finish on certain surfaces. I always test areas first.

I was able to spotlessly clean years of grime off of window screens, windows and mini blinds! Using a 1/5 solution of Simple Green Pro HD and water in a spray bottle. Tip: It's best to take the blinds down from the window fully extended so that you can spray each louver with the solution. I just layed them fully extended on the driveway (in the shade) sprayed one side, and let them sit, then flipped and then sprayed the other side. Then rinsed with the high pressure setting on my water hose handle. Amazing!! It cut right through everything and left them looking brand new! Proof is in the pictures! I thought I would have to throw away the mini blinds since everything was sticking to the thin brown layer that formed in each louver and the cords holding it together.

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Very pleased, worked great 👍

Good stuff cleans well

My dad recommended adding this to my windshield washer fluid for cleaning bugs off and it worked like a charm Also good for floors and general cleaning

Good stuff use it in my ultrasonic cleaner and it does pretty good. Thought I was getting more than 1 bottle though. Description is misleading