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#1
09-23-2012, 01:07 AM
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Your tank looks great! Your dKh is pretty low and may be limiting your lps/sps growth. I would try to keep it up around 9 or 10. If you have to add a lot more dKh to get it to start to raise then that should tell you your corals are limited by lack of carbonates. I would also try to get your Ca down between 400 and 440. You may also want to keep an eye on your phosphates but nothing there gives any indication they are of concern. IMO, there is a good chance it is your dKh. For comparison, I am adding about 200ml/day in a 90G!
Dan
__________________
Link to my Tank Upgrade Thread Dan Leus, Marine Biologist 20+ Years Marine Aquarium Experience Save the Reef, Buy a Frag! 
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#2
09-23-2012, 01:18 AM
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Wow! Your tank looks great. The hardware is suitable, and the bench is so awesome I should make it a stipulation in my house . . . But then I'd be the one stuck building it.
 My tri-colour valida has shown no significant growth in the six (or so) weeks I've had it. I'm no expert on that one. Everything else looks good. I see lots of growing tips.
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#4
09-23-2012, 11:48 PM
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Corals need time to acclimate to your tank...flow, lighting, ect. 3 weeks might be too soon for some types of corals.
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#5
09-24-2012, 01:49 AM
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Quote:
Honestly, your test results don't really reflect Calgary tap water usage, IMO. When I used tap water, my Alk was 22 (I'm in Huntington Hills). What test are you using for calcium? What does your new salt water test for calcium? I'm concerned that your test may be inaccurate, or that you may be testing it incorrectly (keep the bottle perfectly straight: perpendicular to the vial). Two of us (i was one of em) on the forum wound up tearing our hair out over calcium tests a little while back. Even if your salt is mixing up high, I really don't think your calcium should be as high as it is with your 5-10 percent bi-weekly water changes: even using tap water.
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