GRAND MASTER SMOKE 32oz Soak & Wash Glass Pipe Cleaner - Cleanse, Deodorize, Restore - No Shaking/No Scrubbing

Awesome product. I have a glass pipe that I had been cleaning with just alcohol. The piece had accumulated a pretty heavy deposit of resin on it. So much so that soaking it in alcohol no longer removed the residue. Being a larger piece there are chambers that are inaccessible altogether, making the whole thing doubly bad. Using this I did one treatment where I let the piece sit for 2 hours soaking, then I discarded the liquid (the bottle says it can be reused, but mine was HEAVILY saturated). I then did one more soak of it for another 2 hours and it was almost like new with no scrubbing. I am buying again, this product seriously impressed me

I love this stuff. It cleaned my bong so clean. It was amazing. no weird smell no residue just a clean clean bong a very rare.

Grand Master soak and wash worked and smelled SO good! Also came in a huge bottle. My glass was very dirty so I left it over night for 24 hours as suggested and let me tell you. At first it seemed like nothing happened until the pour. Started pouring out the soak and gave the glass a few shakes. All the gunk started to fall right off like nothing. I ran water through it a few times while shaking and ended up with a brand new piece at the end. Almost forgot it had color to it. Nothing like a fresh hit on clean glass!! ! 5 stars and will recommend to all my glass smokers

This stuff does work well... can take several hours to clean but it does get the job done. If you have extremely stained pieces it might not work at all so it by no means is a miracle worker. It does require scrubbing too if you have a really stained piece but after a couple passes and some light scrubbing I did manage to get my bubbler clean and after a LOT of elbow grease I got a Bong from over a year ago I had in my closet from black at the water level to almost perfect other than a couple scratches/vague resin here and there. If you don't want to scrub it I'm sure just plugging the pipe and leaving it overnight might work but this method is indeed time consuming so I'd recommend this for a time where you're not busy with anything else. It works, however there might be a feint waft of a residue smell left over after cleaning which is strange because the solution itself has a VERY overpowering sweet bubblegum/fruit punch smell and a prominent pink color. Give em points for general cleaning and reusability (side note: be sure you have a funnel if you want to save this stuff) because that's what counts the most but it is time-consuming and somewhat false advertising for sure.

I've used other products in the past like 420, and Grunge Off. I'd say this competes with Grunge Off pretty well and leaves 420 in the dust. My percolator I keep relatively clean in general but man it cleared every bit of grime out of the shower head that goes down the middle which is usually the worst part. My bowl was completely solid black, it's double walled so all that clear space you see in the pictures does get filled to the brim with resin. I let it soak for about half the day and had to do a lot of manual shaking and bending a bobby pin to break up the bigger pieces so I wouldn't say this is a no shake or scrubbing cleaner but my bowl is weird in general so I think it really depends on the piece and how accessible it is to scrub. My bong itself didn't get fully clean, as you can see there is still residue and I shook the ever living piss out of it with grandmaster (dumped back into the container) then with hot water. (Note: I don't have a good brush to get into the chamber, I'm sure if I did I would be able to get it all.) Overall it did get about 95% of the grime off so I'm happy with it and will def use it in the future. If I had to rate all of the products I've used in the past: tied for 1st. Grunge Off & Grandmaster, last place 420 (I hate this stuff lol). It's well worth the purchase especially since it's reliable and does a pretty solid job overall. As a final note Grunge Off seems to be more Isopropyl alcohol based with some other ingredients and my issue with it is that if you get resin on your fingers you gotta scrub pretty hard still to get it off even with applying a little grunge off onto the spot that has resin. HOWEVER Grandmasters does NOT have this effect. I can simply dip my finger into it, run it under hot water, and it comes right off leaving my fingers clean feeling and not sticky at all. This is a weird but important thing for me as I absolutely despise having dirty hands in any way.

Some of the best product I have found and used. Looked like new when done. Soaking was the ticket. Great will buy again and use often

So for the people who are impatient like me its annoying to wait the required time to soak. In addition, works better for pipes since you have to soak it for a while. Otherwise, bongs won't work. I did a little rinse with it to get the alcohol smell after smell out so that worked great

Works well at cleaning all my glass. The value and how well it works is why I keep buying. Can be seen in action on youtube cannabis den.

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Just poured some into the bong and left it overnight and my work was basically done right there. just cleaned it a little with a brush and done. amazing stuff . highly recommend.