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Old 05-15-2012, 10:47 AM   #1
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salinity

i have a hydrometer and my reading is 1.020 is this too low?so far i only have a lawnmower blenny in my 75 gal comm tank.it shows on the meter to keep it at 1.020-1.023
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Old 05-15-2012, 11:16 AM   #2
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1.026 is ideal. You are a little low. Also, a refractometer would be a good addition. Hydrometers are notoriously innacurate.
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Old 05-15-2012, 11:23 AM   #3
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Imo if you do not have an ato in place I would keep it at 1.025 or atleast i do so that after evap I don't go over 1.026 but spoon is correct 1.026 is ocean water salinity
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Old 05-17-2012, 02:50 AM   #4
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I would follow the recommended level indicated by your salt manufacturer. Usually indicated on the bucket of salt.
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Old 05-17-2012, 07:21 AM   #5
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ok,illl look on the jug and see if it says anything
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Old 05-17-2012, 07:27 AM   #6
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ok,illl look on the jug and see if it says anything
i never even noticed that before,it says 0.021-0.023 for marine and up to 0.26 for inverts
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Old 05-17-2012, 08:26 AM   #7
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If your going to raise the salinity and you should make sure you do it slowly so as not to shock anything
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Old 05-17-2012, 08:45 AM   #8
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You should never salt a tank with live stock. Mix with RO, circulate, heat, and dissolve before adding. Saltwater needs movement and aeration before mixing into tank.
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Old 05-17-2012, 11:10 AM   #9
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okay thanks,maybe thats why i had problems in the past
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Old 05-29-2012, 10:53 PM   #10
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Raising Salinity - Does This Sound Right?


I am wanting to raise my salinity from 1.023 to 1.024. From 30ppt to 32ppt.
I used a salinity calculator and it suggests....

This plan calls for 1 water changes
Tank Sal. (BEFORE) Gallons Salinity Tank Sal. (AFTER)
1 1.023 sg / 30 ppt 12 1.04 sg / 52.5 ppt 1.024 sg / 32 ppt

Adding 12 gallons of 52.5 ppt, would this hurt my fish?
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