Better and more cheaply done with Colloidal Copper and Zinc
See  Floatron [it's been around since the 70s ]

http://shop.solardirect.com/product_info.php?cPath=25_121&products_id=234&gclid=CNn1zqfx9rMCFQWnnQodbUMANw

INNOVATION floatron's exclusive process:

The floatron's groundbreaking concept combines low-voltage solar
electric power with the safe natural ionization purification process.

The unit performs as a free-floating device with an advanced-alloy [Uh..maybe...Copper/Zinc/Silver ? ]
ultra pure ionizing electrode that suspends below the waterline.

" As sunlight is converted into electricity by the small light weight
" photovoltaic panel, the harmless low power current energizes an
" electrode, causing the release of mineral ions into the swimming
" pool's surrounding water.

" The ionized water, referred to as mineralized water, safely,
" naturally, and efficiently eliminates growth of micro-organisms.

" Chlorine, which loses potency within hours of its application,
" also experiences a rapid and substantial loss of its performance
" during hot summer conditions, due to off-gassing evaporation.

" Unlike chlorine, mineral ions produced by the floatron do
" not evaporate out, and actually become more effective during
" hot summer conditions. In fact, hotter outdoor temperatures
" greatly enhance the ionization purification process!

Ode



At 03:50 PM 11/29/2012 -0800, you wrote:
So reading around, it seems only 20ppb of silver is needed to maintain a pool. That comes out to be 80 quarts of 10 PPM EIS if you have a 10,000 gallon pool. I am trying to think of the best way to accomplish this. Monthly cost of pool chlorine could be saved. What do you think is the primary form of silver if you add EIS to a pool? Is it AgCl? The methods I am thinking about: 1. Do electrolysis in a quart with salt as an additive. Get an AgCl suspension. Slowly add peroxide until it looks better. May need to dilute into larger amount of water first. Then dump throughout pool. Problem is that there is no way of knowing how much silver you have made by this electrolysis and so you don't know what you need to add to the pool. 2. Put some silver oxide powder in aseveral gallons of tap water (or distilled water if it turns out to be necessary). The powder will be calculated to meet the entire pools needs. Slowly add peroxide til no precipitate of silver is seen. Dump into pool. 3. Just dump silver nitrate in the right amount into pool. I am sure something like this must be feasible and cheaper than either chlorine or buying some kind of professional unit that does this in a pool. David


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