I'm drainig my pool for leak repairs and it has some black algae,if I spray it down good while dry with Round Up will that kill it?
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I'm drainig my pool for leak repairs and it has some black algae,if I spray it down good while dry with Round Up will that kill it?
No.
What will help with black algae is anything that smooths the surface: refinishing, painting, etc. (NOT: acid washing!)
Spraying the pool with bleach will kill what's on the surface, but black algae grows down into porous plaster and cracks.
The forum is currently only minimally active. Your best bet, if you still need info is to use the Super Search page, to create special search links will allow you to search PoolForum. A phrase like "[]" may produce answers you're looking for.
Upgraded membership and moved thread to the Algae section. You may need to log out and back in to see everything.
PS.You can search use Google to search multiple pool sites, using Google's 'advanced search operators" to limit your search to specific sites. This page of mine will create the search links for you. Google knows my site -- and all the others -- much better than those sites internal search functions! And, if you need to post pictures -- of your pool, filter, pump, piping, what-not -- there are instructions on this page
Please note: the Super Search page does NOT search directly; it only CREATES special Google links, that enable a FOCUSED Google search!