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#1
February 13th 04, 10:09 PM
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Hydrometer Question 2-13-04
If my hydrometer is calibrated @ 75 degrees F and water temp. @ 78 degrees F what if any conversion is necessary in the reading? Thanx- Steven -- ----------------------------------------------------- Click here for Free Video!! http://www.gohip.com/free_video/ 
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#2
February 13th 04, 11:37 PM
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Hydrometer Question 2-13-04
Steven.... Can you try this link
http://www.aquatext.com/tables/hyd23-28.htm Maybe this will give you a better answer then I can. CapFusion,... "Steven Pace" wrote in message ... If my hydrometer is calibrated @ 75 degrees F and water temp. @ 78 degrees F what if any conversion is necessary in the reading? Thanx- Steven -- ----------------------------------------------------- Click here for Free Video!! http://www.gohip.com/free_video/
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#3
February 14th 04, 04:35 PM
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Hydrometer Question 2-13-04
Thanx- Very useful- Steven
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#4
February 17th 04, 05:12 PM
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Hydrometer Question 2-13-04
That chart is off by at least 1 ppt. That table is form a soils hydrometer, calibrated to
69 F A friend of mine made a calculator for us base on the empirical equation. Most floating hydrometers in this hobby are calibrated to 75 F. The Tropic Marin is calibrated to77 F. If it is a swinging arm hydrometer no calibration temp is needed just read it direct. http://www.wymag.org.uk/simon/salinityhr.htm -- Boomer Want to talk chemistry ? The Reef Chemistry Forum http://www.reefcentral.com/vbulletin/index.php Want to See More ? Please Join Our Growing Membership www.coralrealm.com If You See Me Running You Better Catch-Up "Steven Pace" wrote in message ... : : : Thanx- Very useful- Steven :
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#5
February 17th 04, 05:31 PM
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Hydrometer Question 2-13-04
Thanks Boomer. I will recommend this on next reference.
CapFusion,... "Boomer" wrote in message ... That chart is off by at least 1 ppt. That table is form a soils hydrometer, calibrated to 69 F A friend of mine made a calculator for us base on the empirical equation. Most floating hydrometers in this hobby are calibrated to 75 F. The Tropic Marin is calibrated to77 F. If it is a swinging arm hydrometer no calibration temp is needed just read it direct. http://www.wymag.org.uk/simon/salinityhr.htm -- Boomer Want to talk chemistry ? The Reef Chemistry Forum http://www.reefcentral.com/vbulletin/index.php Want to See More ? Please Join Our Growing Membership www.coralrealm.com If You See Me Running You Better Catch-Up "Steven Pace" wrote in message ... : : : Thanx- Very useful- Steven :
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