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#1
07-16-2007, 01:45 PM
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salinity
Hi guys
I have a 33 gal reef has been ruining for approx 7 weeks now, I have been maintaining a salinity level of 1.025 without much problem until now. I did my usual morning water top up and tested my water, to my surprise the salinity level was at 1.029. I am just using the cheap coralife deep six tester. I have not changed any of my procedures since starting the tank, so I am confused as to what would cause this sudden rise in the salinity level. I am new to the salt game and would appreciate any advise as to what would cause this and what I should do to bring it back on line to were it should be. Thanks Tom. 
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#2
07-16-2007, 01:53 PM
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That would be a pretty large jump in salinity. If nothing has changed in the top off procedure, then I would be checking the tester. If none are available, how about taking a sample to the lfs to have to checked.
If it ends up being the correct salinity, then bring it back down slowly. Does this tank have livestock in it and if so, has it been affected?
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Doug
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#3
07-16-2007, 02:13 PM
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Did you recheck the salinity? Make sure you tap the hydrometer to release any airbubbles that can adhere to the swinging arm.
Do you wash the hydrometer with fresh water after testing? Does the arm swing freely? I would recheck with a second meter, buy a refractometer or take it to a LFS to test before trying to correct the salinity in your fishtank.
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300 gal starphire custom built in pentagon reef (+90 gal sump on Blue Line 100 HD return pump, 210lb LR, Euro-Reef RC250 skimmer, 2x400W MH, 2x28W compacts, 2xTurbelle classic 4002 pumps & Turbelle Stream 6100 on 7095 Multicontroller, running ZEOvit) Livestock Fish: damsels; sailfin, yellow, regal & naso tangs; ocellaris & tomato clowns; lyretail anthias; foxface lo; flame angelfish corals: a few
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#4
07-16-2007, 04:55 PM
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ther might of been air bubbles on the little pointer.
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#5
07-16-2007, 06:41 PM
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Thanks for the replies guys
Doug Yes I do have some livestock in the tank yellow tang, couple clowns and a few coral frags they all seem to be doing OK I will be picking up a refractometer tonight so that will make a difference as I believe it to be a faulty meter. I do wash with fresh water after each check. I am in the process of setting up a 120 gal and transferring the live-rock and livestock soon so getting the 33 operating at peek is important to me. Once again thanks very much for your replies and help guys I appreciate it. Tom
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