Kalkwasser damage to acrylic media reactor

Sorry to hear it. Not sure why some acrylic has issues and some don’t. I’m not sure if mine was cast or extruded but wonder if that may be a factor.
 
Acrylic should hold up, I wonder if it was polycarbonate.
BTW, the driveway marker that I used as the stirring rod was attacked by the kalk. I hadn't run the stirrer for a week or so and the orange color from the driveway marker was bleeding into the kalk! I rebuilt using a PVC rod. Kalk is also hard on silicone.

Nylon and PVC are both good to use with kalkwasser.
 
Hate to dredge up and old topic, but, I built an acrylic reservoir over the weekend out of cast acrylic in clear and white. It was assembled with weldon 4 and it currently leak testing.

Will kalk affect the acrylic? I plan on mixing in a separate bucket and then draining it into the reservoir to avoid precipitate in the ATO container.

In the past I used 5 gallon buckets and never had an issue other than power heads don't last as long pumping kalkwasser as they do in RODI water.

Appreciate any input.
 

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