Acidic Toilet Bowl Cleaner, 32 Oz

Should be named Wonder Cleaner!! I used so many other products whole cans scrub powder a 3 pack pumice scrubbers every product out there this one REALLY WORKS!! No scrubbing drain toilet pour in let soak give a brushing with toilet brush flush CLEAN! Soak toilet paper with it stuff under rim it cleaned even the water jet holes. Miracle cleaner so polished my toilet swirls flushes shines. Im so happy.

If you have a house full of boys like I do, this is the holy grail. I once used it to clean a toilet in my son’s dorm that was so filthy I honestly thought they were going to have to burn the place down. Somehow, this cleaner handled it. It works incredibly fast and cuts through hard water stains, mineral buildup, and stubborn rings in seconds. Toilets look brand new afterward, going from stained and dingy to shiny white. You can actually see the results immediately. Another plus is that it is cheaper on Amazon than in stores. The smell does not bother me at all and it does not choke me out like some other strong cleaners do. If you are dealing with seriously gross toilets, this is absolutely worth buying.

This does a great job of removing stubborn toilet stain build up and is very easy to use. I have tried several different approaches that failed. I deviated from the direction a bit and worked great. I soaked down the inner bowl before work and let it sit all day. After work I gave it another good dose and I waited a few mins then gave it a quick scrub. Its like new again. Every single stain gone.

ZEP does it again. Works like magic. After trying 2 other products with no effect, this one basically melted the stains away. Did not have to scrub. The porcelain is sparkling and shiny.

TL;DR: Great bowl coverage and easy application, but not strong enough for extremely heavy hard‑water buildup. Works better as a maintenance cleaner than a heavy‑stain remover. I bought Zep Acidic Toilet Bowl Cleaner to tackle severe hard‑water staining in a toilet that hasn’t responded to regular cleaners. Our water tests at 811 PPM TDS, so the mineral load is unusually high and buildup forms quickly. The product has a strong chemical odor, so I used a respirator while applying it. The gel consistency is excellent—it clings to the bowl, stays where you put it, and easily reaches under the rim. Following advice from other reviewers, I let each application sit for 30 minutes instead of the 5‑minute minimum. I repeated this process three times. Despite the extended dwell time and multiple rounds, I didn’t see any noticeable improvement in the staining. At that point, I switched to a pumice stone, which removed the buildup with some scrubbing. I had hoped this cleaner would eliminate the need for mechanical cleaning, but with mineral levels this high, it simply wasn’t enough on its own. To be fair, the stains were heavy, and I don’t think the product is entirely at fault. I’ll still use the rest of the bottle for maintenance now that the worst of the buildup is gone. For moderate hard‑water staining, this cleaner may work well. For very heavy staining or extremely high‑TDS water like mine, expect to pair it with mechanical cleaning for best results.

Good cleaner for hard water and rust stains. Clings well to the rim and bowl. Less toxic airborne fumes than others. The smell is simple wintergreen and not harsh. Does not trigger asthma or migraines. Easy to use. Childproof lid. Good quality squeeze bottle. Easy to use.

This has to be the best product I have ever used. I just bought a new home and had my house remodeled, and after two months my water started turning my new toilet and shower a terrible yellow, and I tried everything under the sun. This was my last attempt before just buying new, and I have never had something work so instantly. I wish I had before and after pictures, but I have been using different products daily, and nothing has worked, so I wasn’t hopeful, but it looks better than brand new. Definitely would recommend this product.

Excelente producto quito el sarro de los baños

This is like magic, it removed months worth of buildup from the bottom of the toilet that we couldn’t scrub off. I’m amazed

Great strength

Muy buen producto, consigan una piedra pomes de bett erware para baño para hacer el combo perfecto en limpieza, el sarro sale facil, usen poco producto a la vez

Pleased with the results. Money well spent.