I have some Kent Marine Nano-reef 2 part dosing for dosing alk and Ca. Used 2 capfulls of each. Decided to go a different way with dosing. No longer need these. Bought 3 days ago. 2 16 oz. bottles. Paid: $30, Asking $20.
http://www.kentmarine.com/products/k...ef-part-ab.htm