The Hanna checker will probably not show much with all the exports and your diatoms and Dino.
I don't think the Hanna checker picks up organically bound phosphates. So even if the Phosphate level is tested at 0 in your water the Dino will have phosphates to use...
“In addition, algae, and the symbiotic bacteria that live on their surface,
can secrete phosphatase enzymes that liberate usable
orthophosphate from organically bound phosphate.”
Excerpt From: J. Charles Delbeek & Julian Sprung. “The Reef Aquarium Volume Three.”
I don't think the Hanna checker picks up organically bound phosphates. So even if the Phosphate level is tested at 0 in your water the Dino will have phosphates to use...
“In addition, algae, and the symbiotic bacteria that live on their surface,
can secrete phosphatase enzymes that liberate usable
orthophosphate from organically bound phosphate.”
Excerpt From: J. Charles Delbeek & Julian Sprung. “The Reef Aquarium Volume Three.”