i take it your not using a pure brand name kalk? i used to to use repackaged pickling lime from oa and it always went yellow/brown after a few weeks. i switched back to kent kalk and its stays crisp and white, i never clean the reactor anymore. i don't think you save much money in the long run using pickling lime.
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Given sufficient thrust pigs will fly just fine.
90 Gallon LPS tank - Challice, Acans, Favia, Diplo and Zoos
125 Gallon SPS Coming Soon!
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