brown algae

Hi everyone, I have a question about how to treat the algae that is pictured here: Here are the details of my pool: ~18k gallons Plaster Constant leaves and other debris from overhanging trees falling into pool Grubs like to drown themselves in the pool I SLAMmed the pool last week while...

Hey! I have some Brown Algae in my pool that doesn’t brush off easily with a nylon brush. It has a slimy consistency and proliferates upon low chlorine and reduces when I shock the pool. The guys at two different stores said they’d never seen something like it. They recommended treating like...