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10-22-2004, 08:38 AM
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#21 (permalink)
| | Whip-Lash Squid
Join Date: May 2004 Location: PhillySuburbs, Pennsylvania Age: 41
Posts: 2,947
|  Re: Premium Blue Refractometer - RHS-10ATC
Sooooo, how did all your numbers compare against the measurements you got from swing arms or hydrometers?
I thought I had 1.024 when what I really had was 1.030!! [smiley=wreck.gif] _________  I Love My Sig By John Hawkins!!!!!!!!!!!!!
Date Started 9/04 58 gallon Oceanic Tank, 20 gal DIY sump/fuge w/ Kent Marine Auto top-off, Air Water Ice RO/DI, 10,000 K 175 W MH, 2 VHO 03's 96W each, AquaC EV 120 Skimmer
80 lbs LR, DSB in FUGE, 1 - 2 " LS in tank
Black Brittle Star, Chevron Tang, Crocea Clam, red & green Lobophyllia, Frogspawn, Porites Frag, Caulastrea Frag, Green Ricordia, Asst. Zoas, hermits, astreas, stomatellas, fighting conch  | 
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10-22-2004, 11:48 AM
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#22 (permalink)
| | Aiptasia Anemone
Join Date: May 2004 Location: San Diego, CA,California Age: 53
Posts: 577
Karma: 86
 
| Re: Premium Blue Refractometer - RHS-10ATC
I thought I had 1.024 when the reality was1.021!!  I also got a Hanna PH meter on ebay for $25...faster and more accurate!! [smiley=2thumbsup.gif] _________  80 gal plywood/glass reef tank, AquaC Urchin Pro w/Mag 3, 38gal Sump/refugium w/Mag9.5, 2 Maxi Jet 1200, 2-200 watt Hagen Heaters, 100lbs CaribSea Aragonite, 80lbs handmade Aragocrete rock, 2-110W 48" VHO Actinic Blue, 2-110W 48" VHO 50/50, RO/DI, DIY coiled denitrator, Bi-color Blenny, Damsel, Yellow Tang, red/green lobophyllia, zooanthid frag, cabbage coral, asst. mushrooms, toadstool leather, frogspawn | |
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10-26-2004, 10:36 AM
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#23 (permalink)
| | Vlamingii Tang
Join Date: Mar 2004 Location: Utica, NY Age: 49
Posts: 1,887
| Re: Premium Blue Refractometer - RHS-10ATC
I just received my new Premium Blue Refractometer - RHS-10ATC
After calibrating it I tested my water with my old Instant Ocean swing arm hydrometer and got a SG of 1.025
Then I tested it with the Refractometer and got a reading of 1.024
They are a lot closer that I thought they would be
One more thing I didn't have any distilled water so I used RO/DI water to calibrate it is that OK? I just changed my filters last week................. John _________ 150 Gallon Reef 2-400w MH 2-110w VHO Actinic's, Moon lights, 250lbs LR,2-CPR CS150 overflows, 55 gallon sump/Refugium,auto-top-off, 6-Stage RO/DI Filter, E.T.S.S.600 Skimmer, Red sea 100 ozoneizer, Pinpoint ORP/PH controller, MRC-CR2 Calcium Reactor, 80w R/Lifeguard UV filter, 1/2 hp Chiller, Medusa 2 stage Temp Controller, Iwaki MD-100RLT Return Pump | |
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10-26-2004, 12:25 PM
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#24 (permalink)
| | Whip-Lash Squid
Join Date: May 2004 Location: PhillySuburbs, Pennsylvania Age: 41
Posts: 2,947
| Re: Premium Blue Refractometer - RHS-10ATC
I used RO/DI as well. Did you calibrate it at the recommended 65 degrees?(I think that is what temp it required) Mine was right on and needed no adjusting.
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10-26-2004, 12:33 PM
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#25 (permalink)
| | Vlamingii Tang
Join Date: Mar 2004 Location: Utica, NY Age: 49
Posts: 1,887
| Re: Premium Blue Refractometer - RHS-10ATC
[quote author=birdlady link=board=Product;num=1077925023;start=15#23 date=10/26/04 at 15:25:33]*Did you calibrate it at the recommended 65 degrees?(I think that is what temp it required) *Mine *was right on and needed no adjusting.
[/quote]
Yes 68 degrees mine was off only slightly it read 1.003 with the RO/DI water  .................... John | |
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12-07-2004, 09:34 AM
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#26 (permalink)
| | Peppermint Shrimp
Join Date: Jul 2004 Location: Dallas, TX,Texas
Posts: 401
Karma: 26
| Re: Premium Blue Refractometer - RHS-10ATC
I just won one of these on eBay for $29.00. I'm glad to see that others are impressed with the product! I'll post when I receive it and get a test done.
_________
120 gal, 40 gal sump/refugium, 2x250w 10,000K Reeflux MH, 54w T5 actinic, ASM G4+ | |
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12-16-2004, 04:23 AM
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#27 (permalink)
| | Peppermint Shrimp
Join Date: Jul 2004 Location: Dallas, TX,Texas
Posts: 401
Karma: 26
| Re: Premium Blue Refractometer - RHS-10ATC
Ok, finally got the refractometer in hand. I did the calibration and found that it didn't need any adjustment. My first test of the tank water indicates that it's at 1.026. Exactly where I want it to be, and exactly what my IO swing arm hydrometer said. | |
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12-16-2004, 01:33 PM
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#28 (permalink)
| | Giant Squid
Join Date: Dec 2002 Location: Marina del Rey, California
Posts: 3,524
| Re: Premium Blue Refractometer - RHS-10ATC
_________ Just tryin to recreate God's perfection in a glass bowl. 20 Gallon Reef W/Live Rock, mated pair of Maroon Clowns, Softies, 110 watts PC 10,000k lighting, and skimmer.  | |
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01-20-2005, 06:29 PM
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#29 (permalink)
| | Spanish Shawl Nudibranch
Join Date: Dec 2004 Location: Downriver, Michigan
Posts: 81
Karma: 9
| Re: Premium Blue Refractometer - RHS-10ATC
Well I got mine today. Never had one before, but it seems pretty accurate. I had a 1.028 when my deep-six hydro read 1.027. Needless to say, time to add some water.
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46 gallon bow front, 62lbs Fiji/Tonga live rock, 312 watts T-5 lighting, 75lbs sand. Seaclone 100.
Emerald Crab, Blue Leg hermits, Astrea Snails, Sand Sifting Star, Mini Brittles, 2 Ocellaris Clowns, 2 Blue-Green Chromis, 2 Yellowtail Damsels, 1 Blue Damsel, Sebae Anemone(getting huge).
Button Polyps, Starburst polyps, Sunburst polyps, Pink Polyps,Teal Polyps, Green Polyps, Galaxea, Green Goniopora, Red Shroom, Green/Blue Ricordea shrooms, Green Blastomussa Merletti. | |
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01-20-2005, 09:02 PM
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#30 (permalink)
| | Whip-Lash Squid
Join Date: May 2004 Location: PhillySuburbs, Pennsylvania Age: 41
Posts: 2,947
| Re: Premium Blue Refractometer - RHS-10ATC
Did you check the calibration? I believe it must be at 65 degrees Farenheit and with ro or distilled water?
Congrats! I love mine! | |
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