Thanks, bro. So far so gd, doing twice a week small amt of WC, and reduced dosing on additives. Changed new rowaphos every 2-3 wks. Green slime algae receded a little. Thanks, bro. It's starting to open and hopefully it can spread across my rock. Thanks, bro. Yes, got it from GO. 2 blue notes. What attracted me was the green rim on the red prata.