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Haven't been around much lately
Frank S:
it is a long standing fact that vacuum sucks and pumps push. and the closer to the source a pump can be located above it the better it can pump. submerged elevates all suction requirements as the pump then it is force fed.
My well is 60 feet with water standing to 25 feet giving me a 35 ft column of water above the pump but being that the strata is sanded in either with sand or gypsum the perforations in the bottom 10 ft of casing will only allow a small trickle to pass
flushing the well with a large amount of pressurized water will help to re open those perforations and clear some of the sand. It may require flushing then pumping down and re-flushing a few times before I can expect to get the gravel outside of the casing as clean as possible. Much like back flushing a pool filter does to cleanse the sand but unlike a pool filter I cannot actually wash the gravel completely.
I could use 2 water pumps by lowering 2 poly pipes down the casing stopping 1 a few feet above the other
1 to force water down and the other to draw water out creating a circulation down there. By sealing around the top 1 pump will actually be force feeding the other. If I had a large enough water supply this would probably yield the best results.
No matter which way I go in cleaning out the well once I resume drawing water out of it all of that water is going to be passed through a filter system prior to going into any storage then filtered with several stages of differing filter media before it reaches my tower.
Given that currently we only store max of 600 gallons and are getting our water from the city tower I am only running a 3 stage filter system before it reaches the house.
But I really want to install a constant circulating UV and Ozone filter system.
DanG:
Beware carbonate or other mineralization on UV quartz envelopes, the UV push is just enough to let minerals out of suspension and turn the UV transparent glass envelope opaque in a very short time... have a lamp only on while water flows switch will extend useful radiation but alkaline pH & minerals are the enemy of getting enough energy pushed through enough water to deactivate pathogens. The shallow limestone floored lakes around us in Minnesota pretty much precludes the use of UV, I bought a salvage unit then studied up on it <d'oh>.
Frank S:
You see this is why we all need to ask questions and hear the experiences of others. Thanks DanG
Obviously trace minerals in water are required for good drinking water what I call dead water or water that has been steamed then the condensate steamed again or a double distilled process is not something that I am wanting. but I do want to remove much of the excess calcium and gypsum. We must have spent a couple grand in materials alone replacing old pipes and fixtures that were so clogged not even a trickle could pass through. the lime calcium gypsum deposit in a shower stall was 2" thick from floor to half way up the fiberglass walls.
I don't want to simply add salts to the already laden mineral rich water. I am not real big on extremely soft water and sure don't want it to be so high with suspended particulates that it is not crystal clear.
Mary B:
Heating the water will precipitate out a lot of the calcium. Heat then cool it and let settle and pull clear water off the top of the layer of scum in the bottom. But for whole house use that would be a complicated process... Only other option for whole house is an ion exchange filter or Reverse Osmosis... by gypsum do you mean sulfate? I have high sulfate levels in my water(makes it smell like a wet dog) and for beer brewing I have to use an RO system...
tanner0441:
Hi
You can also sterilise with Ozone, A lot of public swimming pools use Ozone. it's bubbled through the water, so no worry of mineral deposition onto the quartz tube. Buoyant and suspended solids can be separated by putting a required amount of water into a tank and pressurizing the tank with compressed air blown through the water, bring the pressure up to over 100 Psi then release the pressure quickly. Nucleonics causes bubbles to form on the solids and they are carried to the surface. The water is drawn off from low down in the tank.
I've seen the results of that in a water treatment works in the UK.
Brian
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