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#1
06-08-2009, 02:21 PM
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The thing that jumped out at me in your posts were that you lost a couple crabs....how old and what brand of test kits are you using? First thing I would do if you wanna keep sps is invest in some quality test kits (salifert or elos) dkh, mg, ca and ph. ( I personally wouldnt bother with a phosphate kit).
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260g mixed reef, 105g sump, water blaster 7000 return, Bubble King SM 300 skimmer, Aqua Controller Jr, 4 radions, 3 Tunze 6055s,1 tunze 6065, 2 Vortech MP40s, Vortech MP20, Tunze ATO, GHL SA2 doser, 2 TLF reactors (1 carbon, 1 rowa). http://www.canreef.com/vbulletin/showthread.php?t=50034 . Tank Video here http://www.vimeo.com/2304609 and here http://www.vimeo.com/16591694 
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#2
06-08-2009, 05:55 PM
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Quote:
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#3
06-08-2009, 05:57 PM
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Here is a conversion chart. I think most will agree you should be somewhere between 7 - 10 dKH.
http://www.saltwaterfish.com/vb/showthread.php?t=175205
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#4
06-08-2009, 07:34 PM
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Hmm, just a thought... how did you acclimate your crabs when you added them to the tank? Did you drip acclimate over the course of a couple hours? If you didn't slowly acclimate them, that is likely the cause of their death rather than some off parameter.
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Calvin --- Planning a 29 gallon mixed reef...
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#5
06-24-2009, 07:06 AM
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Hi
Usually a change in alkalinity may cause that problem. What is your alk? Another direction is a change in salinity or in temperature. In my experience some folks damage their system during water changes without proper equalization. I have also noticed your ca is on the low side and you don’t have an ALK and MG test results. If you can provide dose it will help diagnosing you problem. When you touch you sps corals do they brake easily?
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#6
06-24-2009, 07:18 AM
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Quote:
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"We shall dive down through black abysses... and in that lair of the Deep Ones we shall dwell amidst wonder and glory forever." - H.P. Lovecraft Old 120gal Tank Journal New 225gal Tank Journal May 2010 TOTM The 10th Annual Prince George Reef Tank Tour
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#7
06-24-2009, 08:08 AM
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Oops didn’t see that….
Any way that too low in my book I think that’s the problem. Now the question why you have such a low (5.8dkh) alk? How do you supplement your ca and carbonates?
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