My question is this:

There are many examples of people having RTN and STN after a sudden alk spike occurs when maintaining very low nutrient levels (whether that be from the zeo process or other forms of achieving a very low nutrient level). The same reaction has been noted when a system, which is low in nutrients, (not just by the zeo process) is kept at an alk of 7-8dkh then the reefer tries to raise the alk to 9 or 10 dkh. I’ve done this myself and see necrosis as soon as the alk gets above 8 dkh (when doing this I raise alk very slowly over several days by increasing the alk 2 part dosing rate on my monitor – just want to clarify I’m not just dumping in a handful of soda ash). Any thoughts on why this tissue loss occurs?? This definately isn’t limited to just zeo systems.

Jeremy

Compared to you, I’m just a cheerful, young boy

Thanks for the NO3 test kit link, I’ll put it on top of my shopping list!

http://www.nitrate.com/sw-ntk2.htm

You grumpy old man. I did not know you had a blog. Nice to see you put things in a better perspective like the other old grumpy man often does And thinks for you know what.

Very nice to hear from you!

Interesting that professionals use silicate. It would be a great subject for your next article at coralscience.org