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Old 07-22-2019, 12:29 PM
#1
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Help WTF Happened???

I moved to a new apartment about a month ago. Set up the 45g reef tank with new live substrate and used Natures Ocean to fill the tank until I could get my 6 stage RO/DI unit squared away. Other than a serious slime algae outbreak things were OK.

I had trouble with RO/DI because after hooking it up to the source water, flow out of the unit was almost non-existent. It took 4 weeks of trial and error to figure it out, but turns out it was caused by a new .5 micron carbon block that I got from BRS. It was dramatically impeding flow. So, I swapped it out with a 2nd GAC cartridge and we were good to go. Or so I thought.

I mixed up about 30g of saltwater using my usual Reef Crystals on friday and changed the water. I've changed that volume regularly on this tank for a couple of years with no problems. I also put in new Polyfilter pads which I used as the primary filtration on the tank. All the hard corals were dead within 24 hours making for a soupy mess and the soft corals were all closed. So, yesterday I did another water change and added a dose of Seachem Prime dechlor for good measure. Now my mated pair of clownfish are dead and the soft corals are still closed. When I left for work there was one fish (an aiptasia eating filefish) and a cleaner shrimp still alive. I'm afraid everything will be dead when I get home.

I don't know what went wrong. Even if the source water had something funky in it that managed to get past the 6 stage RO/DI, the Polyfilter should have caught it. What the hell can/should I do???
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Last edited by cybermeez; 07-22-2019 at 06:24 PM..
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Old 07-22-2019, 12:41 PM
#2
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is it an old tank? did you check your ro/di water tds?
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Old 07-22-2019, 12:50 PM
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I've had the tank a while, and the live rock etc. is no new. Only the substrate was new due to moving the tank. I don't have a TDS meter, but guess I'll be getting one. You really think TDS would kill fish?
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Old 07-22-2019, 12:59 PM
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probably not the ro/di water but then why add prime? how did you keep your live rock before the transfer?
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Old 07-22-2019, 01:03 PM
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did you test your nitrites?

Last edited by Zoous; 07-22-2019 at 01:23 PM.. Reason: added more
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Old 07-22-2019, 01:21 PM
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Quote:
Originally Posted by Zoous View Post
did you test your nitrites?
No, because this was brand new water. Also I figured the Polyfilter and Prime would have dealt with that.
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Last edited by cybermeez; 07-22-2019 at 01:25 PM..
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Old 07-22-2019, 01:40 PM
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I bet what ever you use to check salinity as your making the water is bad I had it happen to me my hydrometer was reading 1.026 but my water was really 1.045
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Old 07-22-2019, 02:37 PM
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How's the water temperature? Tank could have over heated with this heat wave
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Old 07-22-2019, 03:09 PM
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It's been OK. I have AC and was home all weekend. This has me so bummed!
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Old 07-22-2019, 04:13 PM
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Hi I am very sorry for your loss the reason I am contacting you is because of last weeks power outage I lost all my precious fish and about 3500 dollars of my treasured coral . I was gonna call it quits bit this hobby brings me to much joy so I am gonna take one more stab at it , I am reaching out to you because I am going to attempt to rebuild my tank and I'd like to help you do the same . I am going to search for any good deals or kind people and I'd like to cut you in on anything i acquire,,, happy reefing let's rebuild
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