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I've noticed a great deal of variation in my pebble tec surface recently and I wanted to see if anyone knew what might be causing this and how to prevent it. Is it typical to have such variation in that type of plaster or is there something wrong?

I'm in the Houston area and in the weeks following the hurricane, I noticed an outbreak of what I believe is black algae. The water was perfectly clear and looked great but there seemed to be random spots I don't ever recall seeing before around the pool. I immediately cleaned my catridge filter...

I have a Jandy VSP and I've been trying to find information on how long I should be running the pump and at what RPM's. I have an 18,000 gallon chlorine pool/spa that is pretty shallow. Since I live in Houston, the water temp gets pretty high and given how many people we have in the pool every...

This summer we've had several white stains develop on our flagstone raised waterfall as well as the flagstone spillover from the spa to the pool (see images below). I've been told these stains are calcium buildups but I wanted to confirm with you guys and see if everyone agrees. My CH has been...

Hi everyone, There are some dark spots that have developed by our steps and near a few of the walls that I can't seem to find any information about. I was hoping someone could help me identify what the cause might be and how to treat them. I have a pebble tec chlorine pool and for the most part...