Algae or pollen?

Rising2022

New member
Jul 14, 2022
1
New York
Pool Size
15000
Surface
Vinyl
Chlorine
Liquid Chlorine
Hi everyone,

We are new home, and incidentally pool, owners. First opened the pool early June and it has been beautiful. Over the past week or so though, we have been unable to get rid of (what we thought) was pollen at then bottom of the pool. We first noticed the sediment on the bottom a few weeks ago. It was minor and nothing a good vacuum and shock didn’t take care of.

It has grown into something totally unmanageable this week. We took apart our filter and cleaned it well (it looked like it had never been done previously and was a total mucky green color). Have been brushing the bottom twice a day and vacuumed it 3x this week. Hoped that would fix it but a few days later it still looks like this.

The chemicals are testing WNL. When the bottom is brushed, it puffs up into a green cloud easily and then settles back to the bottom after a while (as seen in the photos). Using the vacuum sucks it right up but also does cause some clouding when it’s disturbed.

We are now wondering if we have been treating it totally wrong and wanted to turn to you knowledgeable folks for advice 😊
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Welcome to TFP! :wave: You my friend have algae. To kill and remove algae we use the SLAM Process. To do so you need a good at-home test kit like a TF-100 (link in my signature) or Taylor K-2006C. Either one, but you need it. Then apply the proper amount of liquid chlorine and maintain it at the elevated SLAM level as noted on the SLAM tab of the FC/CYA Levels. If it sounds complicated it's not, but you need one of those test kits to get started. Get one now and we can help you clear-up the water so you get a couple more months of good swimming before closing.

Also see Pool Care Basics

 
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