Thanks for the response. I thought 6 gals of acid seemed a little excessive. Should complete the conversion to Bleach by the weekend,still have some pucks in the system, should be gone over the next 48 hrs. BTW, as far as I can tell my ladder bolts are S.Steel, will check with a magnet tomorrow.

From what I recall true Stainless is non magnetic but there again there are made sub alloys of stainless,thats why cheap stainless sinks will eventually rust and why some stainless fridges now attract magnets.

Im home for the next 3 weeks so should be able to devote some time to get this puppy house broken.