Treefer32
Valuable Member
So, I tooke my skimmer down a week or so ago on my 350 gallon display. Only filtration is a turbo aquatics turf scrubber and a nu-clear cannister filter and purigen in the cannister filter - used for polishing the water, I don't run filter socks. System is two years old and corals are doing good, I noticed my indicator corals a fuzzy SPS of some type and my GSP not acting right so I tested my Alk. Sure enough, On Wednesday afternoon it was at 10dkh. Not too high, I like to run around 9. So, higher than I like, at 11 my corals really don't like me. So, I shut off the doser, and did a water change today. I only run IO salt and keep salinity at 1.026 most of the time.
2 days later, I did 20 gallon water change and changed out the cannister filter, cleaned the algae off the glass in the display and relocated my sand bed in some areas. (My Dragon wrasse likes to dig my sand down to the egg crate under my rocks... So, I have to move it back once in a while).
So, after I got everything all cleaned up, cannister filter cleaned and clean cartridge added, turf scrubber cleaned. I got everything back to normal. I checked the alkalinity after turning the doser off for 2 days. And Alk was at 10.2 today. .2 higher than 2 days ago. My daily use has generally been around .2 per day.
I didn't test my new mixed salt water to see what it was at, but, 20 gallons changed out of a system of around 350-400 gallons. Seems insignificant enough to raise the alk. So, is there something I'm missing? Can alk be released from the algae I scraped off the glass or something weird? Leaving the doser off for now 'till it stabilizes at 9 or so. Not wanting to burn my acros.
2 days later, I did 20 gallon water change and changed out the cannister filter, cleaned the algae off the glass in the display and relocated my sand bed in some areas. (My Dragon wrasse likes to dig my sand down to the egg crate under my rocks... So, I have to move it back once in a while).
So, after I got everything all cleaned up, cannister filter cleaned and clean cartridge added, turf scrubber cleaned. I got everything back to normal. I checked the alkalinity after turning the doser off for 2 days. And Alk was at 10.2 today. .2 higher than 2 days ago. My daily use has generally been around .2 per day.
I didn't test my new mixed salt water to see what it was at, but, 20 gallons changed out of a system of around 350-400 gallons. Seems insignificant enough to raise the alk. So, is there something I'm missing? Can alk be released from the algae I scraped off the glass or something weird? Leaving the doser off for now 'till it stabilizes at 9 or so. Not wanting to burn my acros.
