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  • Thrift Marketing 6Lb Insta-Flo Drain Cleaner MAM-IS-600
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Thrift Marketing 6Lb Insta-Flo Drain Cleaner MAM-IS-600


List Price: $60.24
Price: $47.99 + $8.71 shipping
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  • Thrift Marketing 6Lb Insta-Flo Drain Cleaner MAM-IS-600
  • THRIFT MARKETING, INC
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Frequently Bought Together

Thrift Marketing 6Lb Insta-Flo Drain Cleaner MAM-IS-600 + Thrift T-100 Alkaline Based  1-Pound Granular Drain Cleaner + Pure Lye Drain Opener, 1 Lb
Price for all three: $71.23

These items are shipped from and sold by different sellers.

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Product Details

  • Item Weight: 27 pounds
  • Shipping Weight: 6.2 pounds (View shipping rates and policies)
  • ASIN: B00JB2N154
  • Item model number: 1S-600
  • Average Customer Review: 4.9 out of 5 stars  See all reviews (23 customer reviews)
  • Amazon Best Sellers Rank: #30,683 in Home & Kitchen (See Top 100 in Home & Kitchen)
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Product Description

For drains, grease traps, septic systems and root control. Odorless and will not harm plumbing fixtures, porcelain or septic systems.


Customer Questions & Answers

Customer Reviews

4.9 out of 5 stars
5 star
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See all 23 customer reviews
It worked great on my slow drain.
A. M. Schroder
Hope this product review helps you with your purchase decision.
Princess
Insta-Flo works better than any other drain cleaner I've tried.
Lawyer Lady

Most Helpful Customer Reviews

6 of 6 people found the following review helpful By J. Browne on March 2, 2013
Verified Purchase
My local hardware store recommended this for drain cleaning in a septic system because it works and doesn't harm the septic field. I used Liquid Plumber and other name brand items that would clear a clog for a few days, but never had long term luck with any of them. This stuff works. I got six months from the first time I used it and just put in more to cure a slow drain. That's when I went to see if I could find it cheaper in bulk, which got me here.

They say to be sure that the pipes are hot when you use Insta-Flo and the advise sure worked.

The only cautionary note is to stay away from the fine powder plumes when you are pouring it and the eruption when the cleaner gets to the clog. I measured the amount I put in a drain while I was outdoors and upwind and then dumped it in the drain very quickly...the second time I did it. The first time I got a good whiff of the caustic fumes and nearly got nailed by the eruption.
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6 of 6 people found the following review helpful By Joanne Cooke on November 20, 2009
Verified Purchase
Instaflo is a very powerful drain cleaner - I found it to be effective on hair and grease buildup that other products could not get out.
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5 of 5 people found the following review helpful By Princess on June 25, 2013
Verified Purchase
I tried the regular department store brands without much success. They appeared to clear slow moving drains but in 1 week it was back to where it was before I spent all that money. Draino, Liquid Plumber, etc. I have long hair that piles up in all my drains along with makeup, hair gels and raisins.

After reading so many positive reviews and great how to use tips I figured I would try again. It really does work if you follow the directions.
**It only is activated by hot water and warming the pipes first gets the best results. Compiled below are the steps I followed.

1.First heat water in the microwave to get hot water fast.
2. Slowly poured the microwaved water into the pipes to warm them up.
3. Go back and back and heat more water in the microwave to use with the product.
4. Pour the right amount of product into the drain (see bottle - probably about a cup).
5. Lean back - there will be nasty fumes with the next step - you don't want to breath them in. Hold your breath if you can.
6. Slowly pour the microwaved water into the drain and on the product. There will be cracking sizzling sounds and bad fumes.

My drains have been slow for a long time so I had to do the above 2 times. Here are my lessons learned.
Everyone said there are nasty fumes. They are way nasty. Just be prepared and don't breath them in or have your face near where the fumes will rise up.
Of course wear gloves
Buy more than you think you need. The 1 lb was barely enough to do 3 drains twice. I have a few more drains to clear and I plan to use it monthly as maintenance to keep them running smooth. The 6 lb size is perfect. Now that my mom heard about how well it worked I have to go take care of her slow drains.

Hope this product review helps you with your purchase decision. Good luck with your drains.
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5 of 5 people found the following review helpful By topspin on March 19, 2013
Verified Purchase
I tried Insta-flow a few years ago bought it at my local Ace Hardware.It has always been on the expensive side for drain cleaner but this product works like no other I've ever used.About a cup full on a monthly schedule keeps the drains running free and clear.The first time I used it the drains were very clogged and had to use it twice but never a problem.It works great.I ended up purchasing from Amazon because the 6 lb. Size was far less remoney than other
places where I have bought it before.
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3 of 3 people found the following review helpful By C. Weatbrook on January 14, 2012
Verified Purchase
WIth 7 restrooms in the building, and sinks in every classroom and studio, this product has proven to be a building maintenance staple.
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3 of 3 people found the following review helpful By goodproduct on September 5, 2010
Used as last resort when Ace Hardware recommended it. Left it in line overnight & flushed line next day & blockage was gone. Used it after aggressive snaking & other chemicals failed to open line exiting kitchen sink. Unfortunately line also has washing machine (in garage) and garbage disposal and dishwasher emptying into it, so line takes heavy usage. After 2 years, line is now starting to make gurgle sound as washing machine empties, telling us it's time to use Insta Flo again before line is blocked. We have full confidence that Insta Flo will cleanse line again! Thrift Marketing 6Lb Insta-Flo Drain Cleaner MAM-IS-600 [Misc.]
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2 of 2 people found the following review helpful By Charles A Passacantando on June 27, 2013
Verified Purchase
This stuff will clear your drain. If it doesn't, you need to call a plummer. (yes, I don't know how to spell plummer. no, I'm not going to look it up) I'm telling you...this is what you need to clear your clogged drain. Don't believe me? No problem.
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2 of 2 people found the following review helpful By Keith Brown on April 10, 2013
Verified Purchase
Do no know what is in this stuff or how it works but it works better than any/all other drain cleaners I have tried.
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