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Zep 4-Pack 128-fl oz Shower and Bathtub Cleaner

12 Reviews
  • PRO GRADE ACIDIC SOLUTION: Makes Cleaning Easier By Breaking Up Rust, Soap Scum, and Other Tough Buildup On Contact
  • NO SCRUB FORMULA: Penetrates Stains From Rust and Hard Water
  • Removes Soap Scum, Calcium, Limescale and Dirt


Pros rely on acid-based formulations to dissolve many common water-related bathroom stains. This professional grade acidic solution makes cleaning easier by breaking up rust, soap scum and other tough buildup on contact.
  • PRO GRADE ACIDIC SOLUTION: Makes Cleaning Easier By Breaking Up Rust, Soap Scum, and Other Tough Buildup On Contact
  • NO SCRUB FORMULA: Penetrates Stains From Rust and Hard Water
  • Removes Soap Scum, Calcium, Limescale and Dirt
  • Safe on cultured marble, fiberglass, acrylic and most ceramic tiles and porcelain
Weight 37 lbs
Dimensions 12.438 × 12.438 × 12.88 in

Latest reviews

  1. IHateLaundry

    I’m a middle age woman re-doing an old ranch house, when faced with 20-year old build up of hard water, rust, lime and who knows what build up in one shower. Tried a couple of other cleaners, but this one really did the trick. Note: IT IS NOT A FOAM, but a spray so runs down the walls. I found it works really well if you spay in small sections, rub it in with a nylon bristle brush to keep it from running all the way down the wall, wait 2-3 minutes, and wipe/rinse.

    It did take some elbow grease in the really tough spots, but much less than what I expected.

  2. cleaner

    I clean homes for a living – for many years – and I have it down to a science. This is a must in my arsenal, not only for cleaning soap scum and such from showers and tubs, but it is excellent for homes where the water is hard and mineral deposits which almost appear “etched” into porcelain are extremely difficult to remove. I simply spray it on the porcelain or tile, let it sit for a few minutes, use a mildly abrasive scrubber and voila! The etching is gone. Be very careful, however using it near certain bathroom fixtures – it can damage the finish on some. Always use carefully and always, WEAR gloves! This is a strong chemical.

  3. Meli

    I have looked high and low for something to clean my shower floor. I have tried name brand cleaners and store brand cleaners and nothing worked. So I went online to and found Zep. I read the reviews and was still a little skeptical but because it was so cheap in price I took a gamble. Boy was I surprised! I have attached photos for you to see the difference yourself this stuff really works! This is with little to no scrubbing! So glad I found this and will be buying this from now on. Great product keep this one in stock!

  4. Laronvas

    I typically shy away from Zep brand products as my experience with their products in my work was always “meh.”

    I decided to give this a shot since the price was cheaper than most consumer brands featured on TV I’ve tried were almost useless. While you still need something to wipe off the soap scum/hard water after spraying I found this product to actually dissolve, just like the label states, the soap scum and hard water and make it simply wipe off without any elbow grease using a rigid nylon sponge scrubber. Splash of water washed away the cleaner residue and film left to leave a clean shower door and no residue tile.

  5. mclade01

    Have extremely hard water and (2) fiberglass tubs which always seems to need cleaning.

    Had serious hard water stains, iron stains, and residue in non-slip textured surface.

    Scoured the internet for solutions, and found many recommendations for this product.

    I was skeptical, as I had used other products that didn’t work as advertised, and planned to spend an entire afternoon scrubbing.

    I was absolutely amazed at how well this product worked. Hard water stains, iron stains, and textured surfaces came clean with a minimal amount of elbow grease.

    The only con is that you need to use it in a well-ventilated area, as the fumes can build up.

    Overall, this is THE best cleaning product I’ve ever purchased.

    ZEP is now my go-to brand.

  6. Hatchetwoman

    I was tired of trying to get some stubborn, really old soap scum and hard water deposits off a certain part of the counter that gathers water every time we wash our hands, so I decided to try Zep. It worked! I left it on for 2 minutes, and almost all of the hard water deposit came off with a regular scrubbie. There was one portion that just will. not. budge, — even that was almost all gone. I sprayed some more, left it 5 minutes and — gone! I was so happy that I used it on the tub enclosure immediately and saw that what I thought was clean was *not*. It does have a bit of a scent but I had a window open and it was not overwhelming. I will definitely keep buying this product!

  7. ADUB

    Great for Tile in Bathrooms and floors

  8. HAR58

    I tried product after product to get the stains out of my tub by scrubbing and scrubbing until I was blue in the face and all for nothing! I bought the gallon size thinking I had such a big stain that it would take that much. Fortunately it did not and I didn’t even have to use any elbow grease, just spray and wipe; or either spray and rinse out. This is definitely the best product ever and #1 overall in any brand!!!!
    The only thing that I didn’t like was the smell! Use your vent when using this product or either open a window if you have one in your bathroom.

  9. Hannah

    Strong cleaner

  10. CombatCleaners

    My fiancée & I have a cleaning business & the results of this product amazed both of us!! We provide services to high end townhome’s, villa’s, & residential clients in our area. The water in our area is very harsh and we tried everything on hard water stains and severe soap scum build up. Zep shower, tub, & tile knocked our scrubbing time down more than half. Spray it on, let it set for 5-10 minutes, then wipe it off with a scrubby sponge, DONE!

  11. GoSqueakyClean

    Cuts through soap scum like a hot knife through butter. This product should be used with a respirator or in well-ventilated area. The sprayer on the bottle is of poor quality.

  12. ABones

    I have tried many things on my glass shower door. Nothing seemed to cut through the soap residue and calcium deposits. I sprayed this on, had a sponge on ready to use to scrub the door. I didn’t even need the sponge. It worked so well without needing any elbow grease. So glad I found this and decided to give it a try!

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