https://www.youtube.com/watch?v=qWBd9rOJpSg
How to Control Phosphate Using Hanna Phosphate Checkers and GFO Media
PLUS: New gear from GHL, Eheim, Coral Essentials, and Brightwell Aquatics!
https://www.f3images.com/IMD/MD_imag...-GFO-Media.jpg
https://www.youtube.com/watch?v=qWBd9rOJpSg
How to Control Phosphate Using Hanna Phosphate Checkers and GFO Media
PLUS: New gear from GHL, Eheim, Coral Essentials, and Brightwell Aquatics!
https://www.f3images.com/IMD/MD_imag...-GFO-Media.jpg