Quote Originally Posted by aquanaut
Hmmm thats a good one.

Well for starters I use RO/DI water (de-ionized) for that extra level of purification. I have a client that I take care of his saltwater aquarium and they use RO/DI units to prepare saltwater.

Maybe I should be adding some CalMag being as my water is so pure?
Well, it wouldn't hurt!

Weeze
Weezard Reviewed by Weezard on . CalMag+ in Coco? Do I need it? I'm currently only Day 10 in veg but was starting to wonder. Does Canna Coco A and B nutes (incl. PK 13/14) have trace minerals.. calc.. mag... and iron? Or should I be dosing a bit CalMag+ into my nutrient solution? Rating: 5