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Old 12-14-2015, 06:41 PM   #1
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Water heater draining blue crystals

Today I drained my moms water heater and it took several attempts to try and drain the water. The faucet was clogged with sentiment. After it finally started going, it was draining blue water with white crystal chunks. Wondering if this is normal or if I should be concerned with a potential problem.
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Old 12-14-2015, 06:57 PM   #2
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I think it is hard to say for now whether this is a normal amount of solid material accumulating for a very long time versus some abnormality that caused a large buildup.

I trust that after not too long the water ran clear.

If you drain a small amount of water every 6 months the water should run clear after about a half gallon and you should not have the valve at the bottom of the tank clog up.

If you turn off the water supply and drain any significant amount of water then you need to shut down the water heater heat first. Then turn on the water and wait for water to gush from an open faucet upstairs for a minute before turning the water heater back on.
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Last edited by AllanJ; 12-14-2015 at 07:05 PM.
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Old 12-14-2015, 08:02 PM   #3
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Does she have a Water Softener?

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Old 12-14-2015, 08:08 PM   #4
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That was my first thought to Gregzoll, beads from a softener, and that would be an issue.
Flushing out a water heater does not involve shutting off the water or the heater.
Just open up the valve on the bottom of the heater for about 10 min.
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