Sign up for Original OrganiCalc
With Original OrganiCalc, you sample your soil and send it to the lab (an additional soil test charge applies). You are granted unlimited access to OrganiCalc, our on-line soil amendment calculator, for 1 year.
- Easy – we take the guesswork out of balancing your soil minerals
- Accurate – math and transposition errors are eliminated
- Organic – we recommend only OMRI certified amendments
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