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  Harold Evans August 21, 2009 at 10:55am

  You might want to look at www.orendatech.com and view the video on line. Scale can be controlled as well will go back into solution with eco friendly SC-1000. To my knowledge it is the only sequest that is non-hazardous & non-toxic eco-friendly that will control scale and actually disolve existing scale without acid washing the pool! Contains no phosphates and is available from SCP & Superior accross the country.
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  Bruce Hudson August 21, 2009 at 6:07am

  Thanks Jeffrey, We're doing exactly that without the scraping. I've also filled a drum with acid solution and rigged a hose and valve to simplify washing. Acouple of friends are going to help me today and tomorrow. I still can't stand or sit for very long and driving beyond the corner store is awfull. I think I'll set up some shade, fan, and cot and really make them remember the experience!
  
  Jeffrey Kohlhas said:

  We usually scrape the whole pool first with old plaster trowels. You scrape the surface like you are shaving the pool finish. Then a heavy acid wash and pressure wash. We use 4000psi pressure washer with about a 30 degree tip and hold the wand about 6-12" away from the surface. Ypu may have to repeat the process to clear it up entirely, but a pebble finish should put up with the abuse pretty well. The whole process is tedious, but a two man crew can usually get it done in a day. This is for a typical pool in the Buffalo, NY area. (3-8ft dp, 600-700 sq ft surface area)
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  Jeffrey Kohlhas August 21, 2009 at 4:13am

  We usually scrape the whole pool first with old plaster trowels. You scrape the surface like you are shaving the pool finish. Then a heavy acid wash and pressure wash. We use 4000psi pressure washer with about a 30 degree tip and hold the wand about 6-12" away from the surface. Ypu may have to repeat the process to clear it up entirely, but a pebble finish should put up with the abuse pretty well. The whole process is tedious, but a two man crew can usually get it done in a day. This is for a typical pool in the Buffalo, NY area. (3-8ft dp, 600-700 sq ft surface area)
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  Bruce Hudson August 19, 2009 at 5:23am

  Thanks David.
  
  After allowing the adrenaline and pain killers a chance to wear off some, I realize blasting with any media, including walnut would likely not produce a positive result. We'll get er done on time somehow.
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  David Penton August 18, 2009 at 6:55pm

  I know my beadblast subcontractor does beadblast pebble waterlines (where there is not tile) all the time... beadblasting the entire pool is going to be PRICEY I would imagine!!! I would think similar to resurfacing pricey, at least out here!