I have 4 disctinct areas around my house where i'd like to test the soil. does this kit have enough to test all those areas?

"40 tests" means that it has enough materials for 10 tests each for pH, N, P, and K.

Where can I get the replacement chemicals and how much do these cost with shipping and handling?

I've looked everywhere and you can't find any replacement chemicals for this set.

If used properly, is there enough reagent (solutions) to conduct the claimed amount of tests? Many complaints about how many tests...

There is not enough solution to do the number of tests claimed. The pH test solution appears to yield a result consistent with my pH probe. The remainder of the tests yielded no results, ie. there were no color changes present to compare against the chart on the nitrogen or phosphorus tests, there was no cloudiness detected on the potassium test. These results were inconsistent with prior soil testing and my crops show no signs of the deficiencies that would be present if the tests had been accurate. I had purchased this test kit in 2014, I think, and it had appeared to work accurately. The kit I purchased in 2017 performed completely differently. I won't be buying this kit again.

ASIN	B004W6JC2U
Battery Description	No batteries required
Best Sellers Rank	#37,694 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #26 in Soil Test Kits
Brand	Luster Leaf
Color	Green
Global Trade Identification Number	00097395216635
Is Discontinued By Manufacturer	No
Item Weight	15.2 ounces
Item model number	1663
Manufacturer	Luster Leaf
Mounting Type	Freestanding
Product Dimensions	1.25"W x 9"H
UPC	097395216635 012300988186

Products 1663 80 Professional Soil Test Kit, Green

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