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jtball85
PostPosted: Jun 21st, '11, 02:41 
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I went and bought a bag of solar dried salt crystal for about 4 bucks and a hydrometer that shows salinity ppt/ specific gravity. When I tested my system's water (came from the hose) it showed 12 ppt/ 1.08 specific gravity.

My question is do i want ppt to be at 1.0 or specific gravity to be at 1.0?


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vlt
PostPosted: Jun 21st, '11, 04:04 
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Did you calibrate your meter?

Tap water at 12 ppt would be salty since seawater is 35ppt.
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chillidude
PostPosted: Jun 21st, '11, 08:12 
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You want ppt to be 1.0

Sounds like something is wrong there. No way tap water would be that salty - people would be getting sick everywhere and most plants watered with that would be dying.
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jtball85
PostPosted: Jun 23rd, '11, 03:28 
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I think your right my hyrdometer was not calibrated. Thank you for the info
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