parameter tests

So i need assistance. I tested my KH on February 1st. It took 19 drops to turn to the end color. Today, feburary 5th, I'm testing my KH again and it took 9 drops this time and it was the overdose color. The instructions say some math/ number stuff. And it's completely gibberish to me. Can...

Whats up reefers, Gunna be honest I dont always test my water, its been a learning curve but now that I have a mixed reef I would like to finally learn. I want to get my corals to grow faster and have a stable parameter tank. So without further ado, I am going to put my parameters below, and...