A: It could work but there is a soil testing kit .I would try it first
A: Thank you for your question. Yes, this test can be used to test and adjust the soil pH. Remember its better to add a little adjusting powder / solution than to much and over shoot you desired pH value. -Viagrow
A: Thank you for contacting Viagrow. 150 S or 5.29 oz of both up and down dry solutions. The ph test kit has the 160 tests per unit and 40 ml of testing solution. Thank you
A: Yes you can use this for testing.