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Old 04-28-2016, 03:01 AM
88keys 88keys is offline
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When using the hydrometer, tap it well once filledto remove air bubbles and put it on a level surface.

I highly recommend a refractometer.
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Old 04-28-2016, 03:28 AM
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WarDog WarDog is offline
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Sorry to hear you've been given bad direction. I'd be interested to hear which LFS said that, you can PM me if you're too shy to say publicly.

Throw the hydrometer in the garbage. You'll get a more accurate reading by dipping your finger in and tasting the water IMHO.

Get a refractometer tomorrow. It's a basic staple in keeping a salt water aquarium... but you know this.

What brand of salt was it? Generally speaking, it's about half a cup of salt to one gallon of RO/DI water. So for 20 gals you should have used about 9 cups, then measured salinity and adjusted from there.

Good luck.
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Old 04-28-2016, 05:31 AM
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mike31154 mike31154 is offline
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I'm a bit late to the party here & probably not much help at this point, but even without a hydrometer or refractometer, if you read the instructions that are usually printed on the bucket of salt, they will give you a ratio of cups of salt to gallons of water to get you fairly close to the desired salinity....

http://www.canreef.com/vbulletin/sho...hreadid=119214

Relax, take a break & slow down... it takes time to get a salt water tank going.
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Last edited by mike31154; 04-28-2016 at 05:37 AM.
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