Back where it all began
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Myself, like most of my fellow reefers, keep our tanks at 1.026. The reason I ask, is sites like liveaquaria etc, set the upper limit at 1.025. No but does anyone know the reasoning?
Why 1.026?
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MattDaReefer
Active Member
It would depend on the salt you use for 1 ie... Reef crystals has higher Ca,Alk,Mag @ 1.026 than @ 1.025.
Also depends on the type of tank you're keeping Mix reef, Fish only, SPS only all do better at different points.
Also depends on the type of tank you're keeping Mix reef, Fish only, SPS only all do better at different points.
They are trying to save money using less salt.
this has to deal with how we measure vs what the actual salinity of the tank is.
so at 1.025 at 76f you can convert to 35 ppt.
If you are using a automatic temperature changing refractometer. This is null, just use the 35ppt.
so at 1.025 at 76f you can convert to 35 ppt.
If you are using a automatic temperature changing refractometer. This is null, just use the 35ppt.
ZoWhat
10K Club member
Where are you getting the generalized statement that MOST reefers keep their SG at 1.026?
I beg to differ.... that most reeferes aim for 1.024
As for my dominated zoas/palys tank.... the zoas/palys do best at 1.023. At 1.026 they start to retract and some polyps start to melt away especially if it climbs to 1.027/8
moreover, fish get more irritated and territorial at 1.026/7/8
I beg to differ.... that most reeferes aim for 1.024
As for my dominated zoas/palys tank.... the zoas/palys do best at 1.023. At 1.026 they start to retract and some polyps start to melt away especially if it climbs to 1.027/8
moreover, fish get more irritated and territorial at 1.026/7/8
MattDaReefer
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KleineVampir
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I can't help but noticing that most of those aren't in the high ranges. Maybe we should shoot a bit lower? Like 1.024?
Back where it all began
Active Member
Right. It's seems as though when reefers list their parameters they usually list 1.026. Sometimes 1.025. If their salinity is lower, the usual advice is to raise it. My lfs which is exceptional also uses 1.026.
Back where it all began
Active Member
I agree. My Duncans like 1.025ish. My torch likes 1.026. Doesn't seem like much difference, but significantly is.
ScottR
Surfing....
@skimjim ~ sounds like you need to start a poll. Most people I know do keep it at 1.026. I’m not saying it’s best but what I have always done. But I keep it lower in FO tanks. I agree that lower salinity is a cost-saving measure. Some LFS keep their tanks at 1.022 for corals and even lower for fish.
SashimiTurtle
Turtle
I usually run my tank at minimum of 1.026. I believe the Gulf of Mexico is 1.027, the Red Sea varies highly from 1.026 to as high as 1.032. I believe the majority of Reefs are around 1.026 tho.
Ya this one is kind of confusing. I think different salt mixes recommend different SG. I use RSS blue bucket, and the recommendations are sort of all over the place. I have mixed reef, SPS dominant, and have found 1.026 to be sort of the middle ground between what’s recommended for mixed reef/softie/LPS (1.025) and SPS (35.0/1.026+ @ 77•F). It’s easy to know what to do when you have a species specific tank, but for mixed reef with different dominance you have to sort of pick which direction +/- is best for the average. For example, my Acros are most valuable to me so I lean in that direction, even though I can tell it’s not ideal for my zoas.
1.025, 1.026... either is probably fine if you keep the temp stable.
1.025, 1.026... either is probably fine if you keep the temp stable.
SashimiTurtle
Turtle
My zoas and some LPS at 1.028, they are absolutely happy and healthy.
Daniel92481
Valuable Member
1.026 kept stable with ATO. For some reason if it sways, I’ll adjust during water change.
Entz
Active Member
Not sure where it comes from, gonna blame big salt and their SPS should be 35ppt (likely more to do with mixed cal/mag/alk than salinity).
I have always aimed for 1.025 , mainly because your right in the middle of +- 0.001 most test equipment is at.
I have always aimed for 1.025 , mainly because your right in the middle of +- 0.001 most test equipment is at.
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biophilia
Well-Known Member
For those who are claiming that they have specific corals that do best at 1.024 vs 1.025 vs 1.026, I’m curious what instrument is being used to check the salinity and reach that conclusion? Almost all of the refractometers hobbyists typically use have a stated accuracy of +/- 0.001 sg — so a reading of 1.025 means only that the actual salinity is anywhere from 1.024 to 1.026...
