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GrimReefer 03-27-2007 11:12 PM

Your Salinity
 
Inspired by the current "saltwater" topic. What salinity do you keep your reef at? Reef tanks only, please.

GrimReefer 03-27-2007 11:14 PM

1.025 here. As suggested by natural reef averages.

Quagmire 03-27-2007 11:54 PM

I keep mine at 1.025 also.Seems to be the most accepted Sg

Chaloupa 03-28-2007 12:17 AM

1.024... a bit lower than suggested but it works for me!

andsoitgoes 03-28-2007 01:27 AM

1.024/1.025 - honestly it changes a smidge from time to time, but usually closer to 1.024... sometimes ;)

Justusfish 03-28-2007 04:19 AM

salinity
 
1.025, although it wavers on occasion

andresont 03-28-2007 04:29 AM

Mine is changes too, up and down (evaporation , water chnges etc) but i keep it at least 1.024 and max i had was 1.026

midgetwaiter 03-28-2007 06:34 AM

I pretty much treat anything between 1.023 and 1.026 as close enough. I have serious doubt that the hobby quality instruments are capable much more precision than that.

GrimReefer 03-28-2007 05:52 PM

Quote:

Originally Posted by midgetwaiter (Post 243162)
I pretty much treat anything between 1.023 and 1.026 as close enough. I have serious doubt that the hobby quality instruments are capable much more precision than that.

you're just talking about hydrometers, right?

midgetwaiter 03-29-2007 08:03 AM

Quote:

Originally Posted by TheGrimReefer (Post 243202)
you're just talking about hydrometers, right?

No refractometers too. If you take a look at what Steven Pro found when he tested a bunch of hydrometers recently (there's a link in the library section) while hydrometers certainly aren't good they don't deserve the reputation they have either. You could say that it's easier to get an accurate reading out of a refractometer but look at What Randy Holmes-Farley wrote in Reef Keeping a couple months ago. Calibrating a refractometer isn't a simple as most people think and if it is setup wrong then it isn't going to be any better.

I'm not saying that an accurate salinity measurement isn't important but whatever common method you use is prone to error. Given that determining if you really have yours at 1.023 or 1.025 is probably is either going to cost oodles of cash or involve some sort of voodoo.


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