Ratings may include incentivized customer reviews.
What Customers Are Saying
Customers overwhelmingly praise this product for its effectiveness in removing tough stains, rust, scale, and mortar residue from concrete, brick, and stone surfaces. Many report strong results for pool pH adjustment and algae treatment, often comparing it favorably to pricier alternatives. Safety is a dominant concern, with reviewers consistently emphasizing the need for protective gear, proper ventilation, and dilution. Some customers note occasional performance variability, reporting weaker batches or inconsistent results on specific stains. Overall, most customers find it highly effective and worthwhile despite requiring careful handling.
Customer review summary generated by AI, including incentivized reviews.Did the job
Would RecommendHad a few concrete spots on the brick fireplace wall after tiling the floor. Used as directed, removed the splashes quickly. Open the windows and use a fan to circulate the air. And use gloves and eye protection
Verified Purchaser
Its good for lots of other things as well!
Would RecommendCleans my pool very well!!
Verified Purchaser
L
Would RecommendI needed something to clean paint residue on my porch and it worked well
Verified Purchaser
balances pool pH
Easy to use to balance pH in pool.
Verified Purchaser
Good product.
Would RecommendWorked great. Just have to be careful not to splash it.
Verified Purchaser
Nasty good stuff!!
Would Not RecommendWorks great did exactly what it was supposed to do, and helped clean the pool filter , then when done washed the sidewalks with it!!
Verified Purchaser
Does what it says……
Would RecommendUsed it to acid wash my concrete pool. Did exactly what it needed to do.
Verified Purchaser
Good for rust stains
Removed rust stains from my patio pavers
Verified Purchaser
Great job prepping my concrete for primer
Would RecommendGreat product
Verified Purchaser
Use gloves
Would RecommendRemoved stubborn oil stains from the driveway
Verified Purchaser
Needs to be used carefully
Would RecommendProduct works good for cleaning my sprinkler well,
Verified Purchaser
Very good reliable company product pleased.
Would RecommendExcellent!
Verified Purchaser