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I see various labs advertising soil testing service and i also see some fairly inexpensive ph,soil salt and fertility testers.Are the portable ones accurate? Any problems with them that i cant see from here? Thanks for replies.
I would buy a professional model if you are going to buy one. As far as one of the inexpensive probe types, no they aren't accurate for long. Spend $100 or so and have a real tool. Otherwise, the chemical tests used for aquariums are really cheap and accurate.<p>John