How to unclog a drain blocked by hardened materials

“The bar sink won’t drain! Woodworkers or painters decided to wash their buckets of epoxy resin out in a bar sink and this happened.”source ↗

“While snaking a kitchen drain, I busted through an elbow.”source ↗

“Now I have a room covered in grease/water, holes in the ceiling of two rooms, and it gets worse.”source ↗

“Not only have I not found the end of the clog- all of this is solid grease, but I now have two parallel hvac boxes directly under the pipe.”source ↗

“Lady had dumped hot candle wax down the drain. In a surprising turn of events, that isn't actually surprising at all, the hot wax cooled into a perfect plug.”source ↗

“My wife poured instant mashed potato flakes down the drain, an entire box. We had a plumber come clean about 10ft of mashed potato from our drain line.”source ↗

“She jammed up the entire complex’s sewer line with expanding clay and the occasional cat turd, like prehistoric mosquitoes embedded in amber.”source ↗

“She left sand and particulate in the tub. She just tiled and grouped and now the tubs backing up. I ask her did you dump the grout water in the tub? "Nope!" Denied it.”source ↗

“My SIL came to our house once complaining about her roommates clogging up the toilet because I guess they threw their wipes in there. She uses ours clogs it up and I went to unclog it. I asked ok what happened “oh I had to throw a wipe in there in on my days” I’m like yo the package literally says not flush it.”source ↗

“I’ve already tried snaking it, but can’t get the snake through that old cast iron P-trap.”source ↗

“for the near term just to get the bathtub draining I’d like to splice in a new ABS trap between the tub drain and that old steel pipe circled in red.”source ↗

“now my shower drain is so clogged and yes I did indeed use drano ( oopsies but I was desperate )and boiled water on it and it’s still clogged, is there any other method other than snaking the drain, it’s absolutely disgusting to touch wet hair and the plug for the bathtub does not come off unfortunately”source ↗

“the next day the drain stopped draining completely.”source ↗

“When I try to push the water through the system with the garbage disposal, it goes down a bit and then when I let the disposal off, the water comes shooting back out.”source ↗

“I have also tried putting a lot of drain cleaner and very hot water in the system, with no luck.”source ↗

“Shop vac the toilet to empty it then see if you can reach it with a hanger. If not pull the toilet and lean it forward it should come out.”source ↗

“I also have roots problem”source ↗

“I put alot of caustic soda in to the clogged sink and i think the caustic soda was harden in the pipe like stone, so the drainage problem is worse now. What should I do now? Should I use vinegar to pour in the the PVC pipe to dissolve the caustic soda?”source ↗

“If you can’t get it with one of these or with a liquid drain opener then it’s out of your depth and time to call management.”source ↗

“Despite repeated requests from the HOA someone kept flushing tampons and the kept clogging the sump pump.”source ↗

“I once spent half a day fishing out what seemed like months worth of “flushable” wipes”source ↗

“What type would be best to use for this type of situation?”source ↗

“hmm, i don't see these types for rent in home depot.”source ↗

“The disposal side clogged (picture) with a sandy gunk, very thick, and filled the pipe.”source ↗

“Any ideas on what that gunny stuff is or how to avoid it in the future.”source ↗

“Had a tenant flush wash cloths once. She was, ahem, a sheltered girl, and the puppy she wasn’t supposed to have had an accident in her room. She cleaned it up with wash cloths and flushed ‘em.”source ↗

“I have this pipe sticking up from the floor next to a hot and cold water supply, so I assumed that it must be where i'm supposed to drain my washing machine, but looking inside the pipe looks to be blocked off with some kind of fitting or plug or something about 6 in. down.”source ↗

“I poured a tiny bit of water in it to see if it would drain and it did not.”source ↗

“That’s gonna break the bank!!”source ↗

“I've had a problem for years with low water pressure.”source ↗

“It eventually reached a point where the water just trickled out of the faucets, etc. Then it stopped altogether.”source ↗

“I went 5 weeks without any water at all.”source ↗

“Now I have water in parts of my house, but no in other parts.”source ↗

“Is it okay to grind paper towels using a grinder and flush them in a toilet?”source ↗

“Afaik paper towels can clog the sewer up because they have some chemical elements that don't dissolve. Not sure if grinding and flushing would make a difference.”source ↗

“Whenever I take a shower, a drain in my basement washroom will overflow.”source ↗

“Should the water be lower?”source ↗

“I tried snaking it with rinky dink hand drum auger but I think I might have to rent a better one.”source ↗

“Hey so dropped a butter knife in the toilet and the toilet is clogged now what’s the best way to fix this an auger or do I just neeed a plumber?”source ↗

“since we’ve been in this house our sink drains slow down 3-5x per year and it’s always this black sludge that’s built up.”source ↗

“So I have an issue with food down the bathroom drain and hair. Any advice on something to break up food and hair in PVC pipes?”source ↗

“We had a street main break overnight and must have been the first family to use water after the repair because we had rocks and hard clay chunks in our 1/4 turn valve.”source ↗

“Had to have county to come and turn off the curb stop and then cut line and clean out debris and rocks. It’s was a pain.”source ↗

“My gutters are clogged/damaged somewhere underground between my house and the neighbor's house.”source ↗

“Every time it rains, water overflows from the connection from my house gutter into the ground connection and floods into the neighbor's yard.”source ↗

“I have used a borescope into the drain but I do not see anything.”source ↗

“What company is the best to deal with this? I have called a few gutter companies, but they only deal with new installs.”source ↗

“After reattaching the supply line again, the cold water pressure is better than before, but it’s still way lower than the hot water pressure.”source ↗

“Am I supposed to clean this out? If so, any tip on how to?”source ↗

“Gutter downspout was clogged, took off and cleaned the downspout but it’s built up in the underground tube. Not sure how far but I can’t reach my hands far enough down to pull out the dirt. Is there a tool I could use to clear this tube?”source ↗

“My downspout evidently is clogged as there is a large cavitation that has formed around it from water backing up.”source ↗

“It goes into an underground sewage line, which is not exposed to me so I can't unclog it.”source ↗

“unfortunately mine just goes completely into an underground sewage line, so i'm not even sure where the blockage is, but i imagine it's on my end as no one else in our neighborhood is having this issue”source ↗

“Recently we have had water coming in the basement around a low spot near where the sump Pump pipe exits the house.”source ↗

“I stuck a hose down the black downspout pipe. Nothing came out of the exit in the corner of the yard.”source ↗

“Whenever we get rain dirt and debris come out of this drain. Is there any way to fix this without digging out the 4+' of dirt behind the wall?”source ↗