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My pool has a single pool light with an R40 400W incandescent bulb. The light is adequate, but I've changed the bulb/seal twice over the years, and it only seems to last a short time (given the relatively infrequent use it gets). Last season I put a new bulb in and it was dead by the end of the...

Yeah, but the side effect of swallowing copious amounts of Epsom Salts is even more undesirable than a little grit between the teeth :mrgreen: .

Yes, you are correct up to a point. Even with careful management and regular water changes, scale will still build up and require removal... even the most attentive owner is just delaying the inevitable IMHO. Remember, here in AZ our humidity is very low, and evaporative loss effectively empties...

Possibly - it's on my list of things to try as time permits. If/when I do, I'll post the results here.

Re: Blasting limescale off my pool walls ? OK, as nobody could give me any first-hand advice, I worked methodically through the problem. Firstly, here are some pictures of the pool BEFORE I got started: My goal was to remove the limescale deposits by bead blasting without damaging my pool...

Re: Blasting limescale off my pool walls ? LOL - yeah, I know I should look after the pool chemistry better... I'm just too lazy ! Funny thing is I am a chemist by profession, specializing in analytical chemistry. I guess its kind of a busmans holiday for me :mrgreen:

My pool has limescale buildup all around the rim (waterline). In the past I paid somebody to bead-blast it off. This time around, it occurs to me that I can buy the equipment and do the job myself for the same $$$, and the blasting equipment will be there for future treatments and other uses...