Recent content by Kijohn87

hi I am wondering what this is.. is it black algae. Doesn’t come off easily at all.. I use the steel brush and changes slight colour from black to greenish… used the puck and brush and puck and brush.. and no change. Currently slamming the pool as it’s gone cloudy. Went cloudy as fc dropped...

Thanks- unfortunately we don't have any vitamin c tablet or dry acid but will get some to check during the week. The pool is 4 years old... I am not sure how long the stains have been there. I've only noticed them in the past few months when I've been up close inspect the waterline tiles and...

Thanks, yes have had a good go with a puck but doesn't change. There's a few small areas around the pool. Here's another area of the pool with the same issue - photo attached. I'd be happy if it was a stain, just strange it's only in some discrete spots. About 5 areas spread around the water...

Hi I have a just slammed the pool after our old pump failed (which is now replaced). Pool is looking good and has passed the slam. Having inspected the tile waterline a few areas are 'discolored' with slight blackish / grey marks. I have used a stainless wire brush during the slam process but...