How do I verbs stains from planters on my concrete balcony? I have grey brown stains on the concrete from the brown...

I have grey brown stains on the concrete from the brown water coming out of the bottom of planters on my concrete quad. I tried my pressure washer and it barely touches it, within fact the pressure washer style of eats away at the top vein of the concrete. I have tried adjectives the different tips with no or remarkably little success.
How to achieve a floor tile license surrounded...
Answers:    CLR
If I am replacing my interior boil and...
Take a spray bottle, cram it up with bleach and dance to town. The bleach will take carefulness of most stains and will not harm the plants if you take any on them.
GFCI Circuit Breaker Problem repair cross-question? Followup?