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Old 08-28-2017, 01:27 PM
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Can you post full parameters. Also do you see white specks on the zoas when closed?
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Old 08-30-2017, 11:20 PM
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I keep the lights on for 13 hours a day, but I have a 4 hour ramp up and 4 hour ramp down so around 4 hours a day the par is probably so limited that its not strong enough to add value to the corals or over light them in terms of amount of hours per day lights are on.

I did measure calcium which I haven't done in a while and noticed it was high (495). I stopped dosing kalk since Sunday and just dosed ALK (ESV B-ionic) in attempt to lower the calcium. I tested tonight (Hanna testers) and ALK is 8.9, calcium lowered to 436 which is almost balanced. Balanced for calcium @ 8.9 DKH is probably around 425. I will dose 1 more ALK tomorrow morning and then start Kalk in the ATO again.

I have a refugium in the back of the nuvo 20 and the chaeto used to grow like crazy. I did notice the growth slowed down a lot so perhaps the tank is "too clean" affecting the zoas. I don't have a phosphate or Nitrate tester as the tests kits are expired so might pick some up to test the theory that perhaps the water is "too clean". I've noticed a slight improvement with the zoas this week since I lowered the lights from 80% 20K to 60% 20K
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Old 08-30-2017, 11:21 PM
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re: white specs on zoas there are a couple white spots on purple death palys and nuclear palys but not any of the zoa colonies for which there around 20 or 25 colonies.
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Old 08-31-2017, 08:47 AM
vio
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Stop dosing Kalka . for few weeks , then see what happen , by the way ,why you dose ?
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Old 08-31-2017, 11:32 AM
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495 is on the higher end but certainly not too high.

I agree with laying off the kalk for a while too.

If im not mistaken, and someone please correct me if I'm wrong, but high calcium will not let the kH rise and vice versa.

So if your calcium is at 495 the kH might be at it's max no matter how much kalk you add.
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