Recent content by grguy

Thank you all for your input. I tried the fingernail scratch test and rubbed it on paper and got a "barely green smudge". I took some additional pics here. I guess the question still is: Does this symptom require replastering the entire pool or will a super SLAM or acid wash clear it up? I get...

Thanks Donldson We had done the brushing thing to the walls with a nylon brush and a wire brush. Around July to mid September I had SLAMMED it and was stable for that while. Was never able to clear the black from the walls. Then things started breaking again...

First let me preface this by saying that I suck at pool work... I've been trying and last year I did well keeping up with levels. This year is a different story. The electrical conduit that runs out to the pool rotted away - The upper part of the cartridge filter cracked open - Then the lower...

jb, Yes I'm calling the black areas the algae. I hadn't thought about metal staining but I guess its a possibility... AJ - I did the slam for 7-8 days with liquid chlorine and cleaned filters 3 times during that period. I've been using the Taylor Test kits. Thank you all!

Thanks JB The spots do feel slimy and greenish. They are tiny spots though, not really measurable.

This spring I had a invasion of black algae. I assume its black algae. I have been a member here for a while now and your information has been invaluable. A wonderful resource. Previously I've been able to research from prior posts. I've tried a lot of the methods; SLAMming, brushing, chemicals...