>>I'm going to try Tropica Mastergrow (per Randall) as well
>>as PMDD when the micronutrient mix arrives.

>I hope you don't mean that you're going to use both!  PMDD is basically a
>home made trace element mix _based_ on the Tropica Mastergrow formula. 
>Use one or the other, _NOT_ both.

>Karen Randall

Thanks Karen.  That's right.  I was thinking of a mini experiment where I
would try PMDD for a couple of months (once I learn how to tweak it) and
then Tropica Mastergrow for a couple of months (keeping the other tank
parameters the same) and see how they compare.

Steve Dixon