Don’t forget the little extras. A basic lab test might charge extra for rush processing—like paying for Amazon Prime, but slower. Also, shipping water is heavy. Damned physics. Expect to add $10 to $40 for shipping if you’re mailing a gallon jug.
What are the Three Types of Water Quality Testing? | Tigernix Australia
Some tests require you to buy a special kit first. Read the fine print. Nothing hurts more than paying $50 for a test, then realizing you need a $20 sterile bottle. The bottle, by the way, is just fancy plastic. Hilarious.