Which refractometer?

[orchidsnfish]

What is everyone using? I want to buy one but not sure which ones are good.

Thanks
Angela

 

[raggedfinfirefish]

there was a reefcentral special on a drsfosterandsmit.com one 35 bucks, auto temp ajust and everything. Its what I use...

 

[Serk]

Here's a link to the $35 one at Dr. Foster Smith (If you go to the site and search of refractometer you don't get the discount, hafta use this link)

http://tinyurl.com/7gchx

This is the one I've got, and I like it...

 

[orchidsnfish]

Cool. Thanks. Looks like a winner to me.

Angela

 

[rongleaves]

That's the refractometer that I use, like it alot. Also bought if from Dr. Foster Smith

 

[mo]

just got one there ( model RHS-10ATC ). Auto Temp Correction
New toy, looks great but I have a question.
Using a Deep Six and a Sea Test, my water is at 1.023 at 75° - 77° .
When I checked the calibration on the refractometer it showed 1.000 with my RO / DI water but when I check the tank water, instead of getting 1.023 or there abouts, I get 1.028.

Any ideas what I'm doing wrong?

I plan on running by Saltwater Paradise and seeing if I have the same issue when checking thier water.

Thanks,
MO

 

[Serk]

I believe refractometers can be a bit picky on the temperature they're at when they're calibrated, but I can't recall the specifics...

Beyond that, I'd still trust the readings from a single refractometer over two hydrometers... I just find the hydrometers to be worse than useless...

 

[bimmerzs]

@mo wrote:

I have the same one and also saw similar issue using a deep six. I know my refract is cal'd correctly so I could never trust a cheapo hydrometer again. It's in my junk bucket now.