Roebic K-97 Main Line Cleaner: Exclusive Bacteria Digests Paper, Fats, and Grease in Sewer and Septic Systems - 32 Ounces, Liquid

Very effective, easy to use, cleared clogged shower drain after a short soaking period. Will buy again. Good price.

1950s house with original cast iron plumbing.Around 1-2x per year the plumbing backs up in the house, I have had great luck using this to unclog it. I usually wait until night when the fam is asleep, dump 1/4 bottle in the toilet and flush it, then dump 1/4 bottle in the kitchen sink drain as well as 1/4 bottle of their soap destroyer and start the dishwasher. by morning the pipes are flowing again. I follow that up with 1/4 bottle in the toilet for the next 3 days, and dump another quarter bottle in the shower drain at the end of the line.Considering I really don't feel like digging up the main line and replacing it right now, this stuff is great.

This product will work fine for hair and organic material buildup, but most safe drain cleaners including this one will not clear hard mineral or corrosion deposits. The problem with this one and why most drain cleaners will get a 3/5 is due to the ambiguity these cleaners advertise, which isto be able to simply clear your drain with a general picture of buildup, this is not the case and will work half the time for most people buying these products. This one gets 4 stars because it's the most affordable product in the market of drain cleaners. Try this one first before forking over 20+ dollars on another product, they're all essentially similar.

Best $8 spent of my life. Sewage line was backed up to the top of the pipe, on its way to overflowing soon. It's a cast iron old and temperamental 6" line with some root infiltrations closer to the street. It is a massive pain to snake it out. Ordered this product overnight, got it at 7am. Dunked the whole bottle into the inspection port (Recommended use is 1/4 of the bottle over 4 nights but this was an emergency as it is a 3 apt/6 people household) and flushed once from the lowest toilet , noticed it started foaming right away.Well, after one and a half hour, somebody from the third floor went through their morning routine and flushed. I ran to the basement to look through the inspection port and lo and behold, it looked like the Niagara river before the falls (except that it was brown and...well you know)! Water kept running for about 5 min (it was probably backed all the way up to the 2nd floor) and then the level descended to a healthy 1/4 of the section.This saved me a grueling trip to Home Depot's Tool Rental to get a snake, unclog and return within 4 hrs. Not my idea of a chill Sunday morning.I will now go through the recommended dosage over 4 consecutive nights to clear the pipes completely and I'll follow up with some RootKill for good measure. If you have old cast iron lines I strongly recommend using this at cyclical intervals to prevent buildup and headaches.God Bless Main Line!

Didn't work for us but nothing ever did

Bought this on February 19th, 2025 and used it as directed on that day, as well. I followed the directions and added 8 oz. on each following day (20th and 21st). Today is the 22nd and used the last 8 oz. as directed in the morning (around 8am). By the early afternoon, around 11:30am, I had to mop my bathroom as the toilet overflowed again.So, having said all this, obviously the product did not work as advertised and I do not recommend it.

This is the best clog treatment I have ever used.

(skip ahead to SO WITH THIS PRODUCT if you have better things to do then relive a 1980s crutchfield catalog with this review)Purchased several bottles of this Main Line Roebic to Rehab several Drains in my "new to me" c. 1969 Townhouse.Over just 2 months living here, I've noticed a lot of Plumbing Company Trucks coming and going in the condo complex.Previous owners of my unit were not exactly maintenance conscious. The place was disgustingly dirty, and I had to replace HVAC, water heater, all appliances, $10K in flooring, and a badly rotting patio fence.And then a same building neighbor told me that the drainage plumbing in our complex is not the best. It's like spaghetti in some places, and the complex installed low flow Loos years ago.Thus the plumbing trucks spotted around every week. The trucks all have bright, cartoonlike graphics so it's impossible to NOT see the trucks.SO WITH THIS PRODUCT, I'm Rehabbing the main drain line first.The main drain line is a shared line / shared with with a neighbor who's usually out of town for weeks at a time.It's crucial that the neighbor's gone, if I wanna ensure nobody flushes for 6 hours.So on the shared wall drain, I've been doing a 1/2 bottle in the loo, every night or every other night.That's to hopefully clean out our shared drain for 2 Bathrooms + 2 Kitchens.I usually let it sit 6-10 hours total.1/2 bottle might seem like overkill.But 2 households using a shared line is A LOT of stress on the line over 55 years.After 1-2 treatments of 1/2 bottle per day,... I'll probably cut back to 4 treatments per bottle.IM HOPING this will help clean out our shared wall drain, and whatever's between our front doors to the main underground city sewer line.AFTER SPENDING WAY TOO MUCH TIME skimming over all the products on Amazon, Roebic seems to be the top tier or top 2-3 products.IT'S HARD TO KNOW FOR SURE what's happening inside drains you cannot see.But a good number of reviewers are saying that plumbers dig this brand as one of the few that works.I'd rather use what the plumbers use, and not have to play a plumber $300 + potential damage to walls and floors.SEPARATE FROM THIS PRODUCT,I'll be using 3 $20 bottles of Roebic soap blaster.First bottle for the kitchen drain which is kinda slow. Am I the only person who drains grease into jars? When the prior owners of your new place neglected proper maintenance, it's a good bet they never took those extra steps.Second Bottle will be for the Laundry Wall Drain. Laundry drains always back up when you don't drain into a nylon capped hose, into a separate utility sink. When I have a side sink to drain into, the nylon always clogs up within 2 weeks. THAT'S A LOT IF LINT.Third Bottle will be used on my shower, which is part of the shared drain I rehabbed first.It's been stubbornly slow and I'm hoping this willAltogether, approx $100-$120 worth of Roebic for an inaugural treatment cycle.To put my mind at ease given the brightly colored plumbing trucks drama.Hopefully I'm doing this all in the correct order.I already went through 2 bottles of the Drano for the Kitchen sink and Shower, and it didn't do enough.