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  #1    
Old 02-28-2008, 07:00 PM
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can i use a pool water/ph tester for my plants water?????
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Old 03-01-2008, 03:48 AM
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yes you can if thats all you have available.
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Old 03-01-2008, 07:18 AM
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theyre pretty hard to determine the actual ph level tho
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Old 03-01-2008, 07:20 AM
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I use a digital ph pen which is made for pools or any water.They cost about $28 delivered from ebay and will measure to the hundreths of a point and can be calibrated if needed
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Old 03-01-2008, 09:56 AM
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FF, How often is the cal needed? Time? # of uses? or just when the initial reading doesn't seem right?

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I use a digital ph pen which is made for pools or any water.They cost about $28 delivered from ebay and will measure to the hundreths of a point and can be calibrated if needed
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Old 03-13-2008, 01:39 AM
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If you do it before every feeding there is less chance of error.
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Old 03-13-2008, 01:41 AM
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I check my ph pen about every 3 months just to make sure Im on point.I have calibrated once in 2 years with this one as it drifted about .5 ppm
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Old 03-13-2008, 06:48 AM
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Thanks guys!

Might get one once I get working again. This 4 weeks off is getting old.
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