Quote:
Originally Posted by EnderG60
So I started Vodka dosing in an effort to reduce my phosphates without needing so much GFO.
I remember reading that alkalinity over 9 was not recommended as people were seeing SPS with burned tips.
Prior to vodka I had always kept my alk pretty high (in the 10-12 range) since my LPS seemed to like it and the SPS didnt mind. When I tried to do the same while dosing vodka I started seeing some burned tips and tissue loss.
So why the difference with the vodka?
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Do you know why you're seeing burned tips with higher alk? When you dose vodka you reduce nutrients such as phosphate, which is known to inhibit calcification, so your SPS can take up more alk/ca, thus grow faster. In other words, the skeleton outgrows the soft tissue. It's just a cosmetic thing. If you don't like it keep your alk at a NSW level of 7dkh.