Question about Camelbak 09 Classic Hydration Pk 70

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During a 6 week trek in limestone country, we both noticed extensive white deposits in the tubes which impeded the flow of water. Assuming it was calcium carbonate, I have tried vinegar to dissolve it but with no success. Now at home, I've managed to extract some of the deposit and it seems rubbery! It doesn't dissolve in vinegar and we are baffled! Any ideas? Sue Godfrey

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The deposits may be a fungus that grows in camelbak, and other brands of, hydration systems due to sunlight shining on the wet plastic. It's possible that if you were using water containing lime that the lime has mixed with the fungus. To reduce the growth some systems have a black insulation which covers the drinking tube. There's a cleaning kit you can get which consists of 2 brushes, a narrow one for the tube and a larger one for the main water reservoir, and tablets which disolve or break up the fungus. You can get them at
or if you look on google for "Camelbak cleaning kit" you might find somewhere near you that sells them.

The fungus is not harmful but it does put a taste on the water and doesn't look very nice.

Posted on May 20, 2011


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Gaggia unica will not prime

Same problem and I FIX it!
The problem was the flow meter (turbine) which can cause two problems:
  1. like your, poor water from steam.
  2. the machine always ask to prime
The first one is caused by limestone that blocks or partially blocks water entering the flow meter (it has a very small hole)
The second one by limestone that block the flow meter rotor
For both:
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  2. Separate the flow meter from the black block
  3. Disconnect the In and the Out pipes.
  4. When you have the flow meter in your hand (only the white piece), open it turning it's top (clockwise may be)
  5. Using a tooth brush clean well inside parts (top, base, red-rotor)
  6. Using a paper clip clean well both holes (in and out)
  7. Clean the o-ring
  8. When reassembling the flow meter pay attention to the o-ring between the top and the base which must be well fitted into it's seat before close it (if not, some air may come in the water circuit and the pump will not work).
The In and the Out pipes must be at 90 degrees when closed.
Before reconnect pipes, blow with your mouth into the In hole. You should hear the rotor rotating very well.
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Mr Coffee Pump Espresso machine not working. Lights alternately flash between coffee and steam icons, machine makes noise, but coffee does not brew, water does not flow, steam does not come out.

The espresso portion may be clogged with hard water deposits, and the steamer tube with casein. Run a tank of plain white vinegar a couple of times then run a couple of tanks of plain water to flush the vinegar, Open the steam valve while the espresso portion is running and set the steamer pot under the steamer. Don't be surprised if a long white tube of hard white material slides out of the steamer valve. That's the casein, actually a form of organic plastic.

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I suffer the same issue it was only fixed by upgrading the washing tablets used

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The white stain is due to mineral build up on your iron.
Try flushing the iron with a vinegar solution to dissolve the mineral deposits then purge with demineralized water. Only use demeralized water in your iron. The first time you may want to test it on a scrap piece of cloth to insure all of the minerals have been removed.

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By not solid I assume you mean they are hollow. This is an indication of not enough water during the fill cycle. Causes are low water pressure, a restricted fill line or partially iced fill tube or fill valve that is plugged up with mineral deposits. The saddle valve connected to the main water line should be opened and closed at least once yearly to clear deposits and insure it will be operable in a time of need.

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If it is just this faucet and no others then it is likely the filter screen in the tap head is clogged.

Remove the cover from under the tap head. Pries off from the tap head directly where the water comes out.

There is a metal mesh screen there. It will be full of white chalky deposits from minerals in the water supply. Clear that out and you will be good to go.

You will also want to clear the holes for the spray pattern. The same deposits will be there.

Good luck.

If this helped give you some direction please rate the answer for me.


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it sounds like the water inlet valve is bad. if it slowly leaks it will cause the water to freeze inside the inlet tube extension blocking water from entering the icemaker and it could leak around the extension tube. after freezing solid the tube may have a crack in it as well. so replace the water valve and take out the inlet tube and extension tube and inspect it for cracks and make sure they mate properly (you can glue them if you want but it might make it harder to clean out if you have the same problem again). a clamp or tie strap may help.

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