War on Xenia.
 

I am ready to go scorched earth to get rid of the Xenia in my tank. I typically use a scalp to get it off the rocks but it always grows back. To kill it with kalk paste do you scrape it of then add the paste or simply put paste on the Xenia.


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I used to inject them with distilled white vinegar to control the growth. The ones injected would dissolve

how's the war on xenia going? any before and after pictures?