Mold in RODI canister

InvaderJim

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I was out in the garage filling up my top off container when I noticed a bunch of mold growing in one of my rodi canisters? Never heard of this being a thing. What cause this and can be done to prevent this on the future?

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C_AWOL

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I could be wrong but it might more likely just be some type of algae growth if exposed to enough light considering the water in the sediment filter should still be chlorinated to some degree.
 

KrisReef

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I don’t know but I might take the canister down to the city/county water department and ask them what is in the water supply?
 

Buckeye Hydro

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May or may not be mold.

If your system is exposed to even medium light, especially from a window, throw a towel over it or close the window shade.

You'll want to replace that sediment filter and probably a good idea to sanitize your system as well.

Russ
 

KrisReef

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Looking at the two canisters I don’t see algae (light promoted) growth. It looks more like mould or the low oxygen bacteria that is commonly found in sewage contaminated waters. It could be a human health hazard and I encourage the op to take precautions to protect the water supply that this filter is running on.

Hopefully I am wrong.
 
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InvaderJim

InvaderJim

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I don’t know but I might take the canister down to the city/county water department and ask them what is in the water supply?
I’m on well water so that’s not really an option.
May or may not be mold.

If your system is exposed to even medium light, especially from a window, throw a towel over it or close the window shade.

You'll want to replace that sediment filter and probably a good idea to sanitize your system as well.

Russ
The system is in my garage on the back hall. It doesn’t get any sunlight other than what comes in the garage from it being open. I will definitely replace and sanitize my unit.
Looking at the two canisters I don’t see algae (light promoted) growth. It looks more like mould or the low oxygen bacteria that is commonly found in sewage contaminated waters. It could be a human health hazard and I encourage the op to take precautions to protect the water supply that this filter is running on.

Hopefully I am wrong.
It’s straight from my well. I’ve been planning on adding a whole home water softener I just haven’t gotten around to it. Hopefully that would help
 

Buckeye Hydro

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Here's a little known item: It's good practice to test residential well water at least annually for the presence of E. coli and Coliform bacteria. Oftentimes this testing can be had for free at your County Health Department.

Russ
 

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