Rodger, i think i heard you mention that running kalk could be detrimental to clogging the streams (and all pumps as well) and was wondering if you thought that as a whole and if properly dripped in that kalk would be more likely to precipitate than 2-part Bionic or a calcium reactor? Or do you think that excessively high levels (regardless of method) would be more likely to cause precipitation? Thanks, Mike.
Kalk precipitation question
- Thread starter in2deep
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In my experience it is the 2 part products in combination with high pH from kalk that cause the most problems. I don't see many problems with properly tuned calcium reactors and I don't see many problems with properly dosed kalkwasser or Nielsen style reactors. Calcium precipitates on aquarium equipment the same way it precipitates at the coral polyps for the skeletal growth. CO2 is removed from solution causing a localized high pH and thus causes precipitation, in pumps this is caused by vacuum and heat degassing the CO2. Our latest drive unit design has attempted to tackle the vacuum issues. Heat is not an issue on the Tunze pumps, they are the coolest running on the market. I would say at present our design presents no issues when used in an environment with normal levels between 8-12dKH and 380-420 Calcium but when people in a faulty (my opinion) belief that supersaturating these levels will increase growth we see problems. I believe constant nature like conditions are the most suitable and under these conditions you prevent a lof of technical issues with equipment.
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