Getting rid of pool algae?

Question:In our backyard pool, how do you get rid of stubborn algea , the algea product temperarily worked, chlorine levels were nil 2 hours after shocking it. And believe me, more than enough was put in.the pool guys now say to try some phosphate remover.thanks for the help

Answers:
Believe it or not ,if you own a pool ,you d#*^ near have to be a chemistry major ! Most of the time reputable dealers of pools and chemicals will do the chemistry for you to clear up your pool algae problems ( keep in mind,though , they're in the business to sell , sell , sell pool chemicals). However,if you're lucky, you'll run across one that'll solve your algae problems with the least amount of $$$$ to have you as a good customer . Good luck !!