What do you guys think of this :
Garden Soil Moisture Humidity and pH Acidity Meter
http://www.dealextreme.com/details.dx/sku.11884
$7.75, free shipping.. takes about 1.5-2 weeks
Garden Soil Moisture Humidity and pH Acidity Meter
http://www.dealextreme.com/details.dx/sku.11884
$7.75, free shipping.. takes about 1.5-2 weeks