Probably great on General household stuff, Not Outdoor mold algae
Depends Totally on what you use this on/for. I'm sure this is probably great on all the many things listed on the bottle. However, what was Also advertised was for Outdoor cleaning. Nope. Trying to finish cleaning concrete stepping stones, it didn't do anything. This is with leaving it on for at least 15 mins, then water pressure spraying (a hose adapter), hardly did anything. But, I had (still have) many untreated and solid black mostly stones and decided to see just using adapter and it worked! Takes a few minutes each stone, maby more than 5 mins but it gets it All. Don't know why it won't on All the same stones but I think more than half (I've got 180!) just water and pressure adapter works. Will continue to look for cleaner for getting rest of spots, but this stuff is Definitely Not it.
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