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Curious.. What do you keep your salinity at and is it above 1.025? (1 Viewer)

Jstn said:
How so? I believe its pretty conclusive evidence as long as the refractometer was calibrated, albeit it shouldn't make a difference. I guess you could try it for yourself by mixing a new bucket at 1.024, test the big three and then add more salt to bring it up to 1.0265 and see the resulting changes.
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Hmm, well I didn't read through the thread, but I am curious now because the difference between 1.025 and 1.026 is not a lot of salt, I would expect some variance in the numbers, but based on the proportional difference between the two, I don't know that I believe the numbers that were claimed by that individual.
 
I believe it.. At 1.027 I was at ca 550, DHK 9.2 and mag 1360.. Not that I am down to 1.025 I am at 46-/9/1300.. I don't do two parts.. actually I was going to start and that is why I recorded my parameters..
 
I think RC for instance is to be mixed at 1.023, where as most are mixing to 1.026. That is going to net you a lot higher alk,cal etc. again, this is a bigger deal for someone doing large WC's on smaller systems IMO.
 
interesting

never thought the differences would be that much, although i cant say im overly surprised.

maybe thats why ive never had to use 2 part as much, ive gotten my wc water as high as .029ish and just thought eh whats it gunna do to my tank when im only doing a 20g water change on a system with 120+ gallons of water, ill just mix the next batch a little lighter.
 
According to my math CA of 460ppm @ 1.026 would be 440ppm @ 1.025. The earlier quote 400ppm @ 1.024 looks to be skewed becaused most test kits can only measure in 20ppm increments plus human interpretatio can account for a 20-40 ppm difference.
 
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David Grigor said:
According to my math CA of 460ppm @ 1.026 would be 440ppm @ 1.025. The earlier quote 400ppm @ 1.024 looks to be skewed becaused most test kits can only measure in 20ppm increments plus human interpretatio can account for a 20-40 ppm difference.
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Sooooo....... This means what? I think what is being stated is the difference in amounts of cal,alk and mag at different SG. Besides the batches etc. could be different amounting to different results. 380-400-420 ppm sounds like increments. There are kits that will measure at 400, how can you say there are not.
 
I'm saying 400 @ 1.024 is not = to 460 @ 1.026 mathmatically. Because our test kits kits can easily be off 20-40ppm would help explain his results. There isn't as big of difference as the testing results showed.
 
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