Latest ICP results correction to Ca & Mg?

antnida2

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Having some LPS and SPS RTN and STN last couple of weeks.
Tanks = RedSea Reefer 450 116 gallon total water volume
Using Triton other method (due to small fuge, converted 3 gallon ATO to a mini fuge).
Dosing 18ml per day every 3hrs (Mixed 3A & 3B)
Was dosing 8 ml of Core 1 and 8 ml of Core 2 3 days per week (I cut down daily dosing due to high Ca and Mg).

Based on the latest ICP results Triton suggest I do weekly water change with RedSea salt (Blue bucket) to bring down Ca and Mg. I just did one this morning (approximately 25 gallon) and based on my Trident test results:

Prior to water change pH = 8.24, Ca = 549 and Mg = 1584.
After water changed pH = 8.0, Ca = 552 and Mg = 1518.
Stopped Dosing Core 1 and 2 for now. Still dosing 18ml of 3A & 3B combined.

Any suggestions on what else to check for or do at the moment?

icp july 2020-page0001.jpg
 

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