cleaning an old water prism

by Kathy Lyons
(Hathorne, Florida)

Hi,

I have an old water prism, about 20 years old. It has never leaked. It had some stains on the inside. I tried cleaning it and I thnk it has only gotten worse. I put vinegar and water in it. Did not work. I managed to get an toothbrush in it and scrubed the glass. Looked o.k. but when it dried the stains were back. Then I put baking soda in it. I think that did it in. It now looks worse. Any suggestions ?
Sincerely
Kathy

Answer

Hi Kathy,

I don't know if this will work, but try some Lime-a-Way. Squirt some in the prism, then top it up with water. You'll have to experiment with the concentration of the solution to get a concentration that works. You might have to use it without diluting it, but try the dilution first. Let it sit for a minute, then get in there with the toothbrush and give it a good scrubbing.

I'm a great fan of Lime-a-Way for cleaning up vases, coffee pots, glasses, etc. It has always worked for anything I've tried to clean, so hopefully it will work in your situation. Wear rubber gloves when you use it, and be sure to follow the instructions on the bottle.

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