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How to use refractometer properly.


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  • SRC Member

I've this using this refractometer for 3 weeks now.. Calibrate with DI water, place drops of aquarium water into the prism.. Seems correct.. But I'm very concern about my refrac, I'm not sure weather does it have Temperature Correction. The manual seems useless. Whenever I look through the hole, i could see 20 degree celcius... Must i correct the temperature of the water or something? My tank is running at 26.5 Degree.. I scared that salinity n Specific Gravity is affected by the temperature diffrences. But still I'm not sure weather the refrac has ATC.

Any help on how to deal with this?

Teh'sTankSetup Decomm on 18/8/2012

Tank: 2x1x1 Rimless Tank (Sumpless)

Lighting: Aquazonic 2x24watts T5 (Actinic x Sun White)

Moonlight: Acardia 1W Led Light (Blue)

Filter: ISTA Max Care Cannister

Skimmer: Bubble Magus E3

Chiller: Resun CL450 (Aquazonic Evo Pump)

Wave: Boyu WM-25

Commissioned 20/9/2012

Tank: 3x2x2.5

Lighting: 250w DeLighting MH/ 2x 39w Delighting Diy T5 ATI Blue Plus

Skimmer: H&S Skimmer Type 110-F2000

Chiller: CL450 (Aquazonic Evo Pump)

Return Pump: Eheim 1260

Reactor: D&D H2Ocean FMR 75 (ADA 1500 Pump)(Rowaphos)

Wavemaker: 2x SunSun Wavemaker (3000L)

Incoming:

Conch ll Basic

ATO System/Tunze Osmolator

Magic Marine 3CH Dosing Pump

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  • 2 weeks later...
  • SRC Member
I've this using this refractometer for 3 weeks now.. Calibrate with DI water, place drops of aquarium water into the prism.. Seems correct.. But I'm very concern about my refrac, I'm not sure weather does it have Temperature Correction. The manual seems useless. Whenever I look through the hole, i could see 20 degree celcius... Must i correct the temperature of the water or something? My tank is running at 26.5 Degree.. I scared that salinity n Specific Gravity is affected by the temperature diffrences. But still I'm not sure weather the refrac has ATC.

Any help on how to deal with this?

Calibrate and check with 1.024/5/6 solution. You can always use a compensation table if your instrument has no ATC. If you need help with calibration, you can throw the instrument at me, I can help you to calibrate.

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Its ok guys... I found out that its ATC... I thought ATC was a brand.. its actually Auto Tempreature Correction lol

Teh'sTankSetup Decomm on 18/8/2012

Tank: 2x1x1 Rimless Tank (Sumpless)

Lighting: Aquazonic 2x24watts T5 (Actinic x Sun White)

Moonlight: Acardia 1W Led Light (Blue)

Filter: ISTA Max Care Cannister

Skimmer: Bubble Magus E3

Chiller: Resun CL450 (Aquazonic Evo Pump)

Wave: Boyu WM-25

Commissioned 20/9/2012

Tank: 3x2x2.5

Lighting: 250w DeLighting MH/ 2x 39w Delighting Diy T5 ATI Blue Plus

Skimmer: H&S Skimmer Type 110-F2000

Chiller: CL450 (Aquazonic Evo Pump)

Return Pump: Eheim 1260

Reactor: D&D H2Ocean FMR 75 (ADA 1500 Pump)(Rowaphos)

Wavemaker: 2x SunSun Wavemaker (3000L)

Incoming:

Conch ll Basic

ATO System/Tunze Osmolator

Magic Marine 3CH Dosing Pump

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  • SRC Member

I thought using RO/DI water is sufficiemt for calibrating

Teh'sTankSetup Decomm on 18/8/2012

Tank: 2x1x1 Rimless Tank (Sumpless)

Lighting: Aquazonic 2x24watts T5 (Actinic x Sun White)

Moonlight: Acardia 1W Led Light (Blue)

Filter: ISTA Max Care Cannister

Skimmer: Bubble Magus E3

Chiller: Resun CL450 (Aquazonic Evo Pump)

Wave: Boyu WM-25

Commissioned 20/9/2012

Tank: 3x2x2.5

Lighting: 250w DeLighting MH/ 2x 39w Delighting Diy T5 ATI Blue Plus

Skimmer: H&S Skimmer Type 110-F2000

Chiller: CL450 (Aquazonic Evo Pump)

Return Pump: Eheim 1260

Reactor: D&D H2Ocean FMR 75 (ADA 1500 Pump)(Rowaphos)

Wavemaker: 2x SunSun Wavemaker (3000L)

Incoming:

Conch ll Basic

ATO System/Tunze Osmolator

Magic Marine 3CH Dosing Pump

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The instructions will ask you to calibrate with distilled water at 20degrees C. Distilled water should be easy to get. But a stable 20 deg room temperature ... not so. Easier to use std salinity solution and cal at room temperature .

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