Thank you for the valuable input! I have yet to perform a pH test. But I would assume it’s on the lower end of the spectrum since my alkalinity has been at the Relatively Low for the past month between 7.6dkh-7.9dkh in my nano tank. All of my zoas are looking good and popping heads, however they are growing at a relatively slow pace in comparison to my other system. Besides my biweekly water changes and daily feedings, there’s no other form of nutrient import into the system. And I’d much rather take a more hands off approach to maximise growth, hence I am looking at alternatives besides dosing. I’m guessing it’s time to get a pH meter haha to see if I have a pH problem! Is it possible for you to share the amount of soda lime you used, the rate it’s being expended and how it’s being implemented? Thanks for the help again! Sent from Singapore Reef Club mobile app