| The main answer | What do you get with 6 jars of TerraCalm? Six 3 oz jars at $49 per jar, free US shipping and two free digital guides, Happy Feet, Every Day and The Clean-Nail Playbook. |
| Good to know | It is a one-time payment with a 60-day money-back guarantee. It is the only package with the bonus guides. |
| Think first | It only pays off if you keep up a daily routine. |

The TerraCalm 6-jar package is the one the official website pushes hardest, so it is worth looking at closely. It has the lowest price per jar, it ships free inside the United States and it is the only package that carries the two bonus guides. This guide explains what is in the box, what it costs per day and who it really suits, so you can decide with the facts in front of you.
TerraCalm, also written Terra Calm, is a cosmetic mineral clay in a 3 oz (90 mL) jar, for feet, toes and nails.
The package holds six jars, each 3 oz (90 mL). The seller calls it a 180-day supply, because it counts one jar as roughly a month of once-daily use. Six jars cost $49 each. The package also ships free in the U.S. and adds two free digital guides. Like every package, it is a one-time payment with no subscription, and it is covered by the 60-day money-back guarantee.
The first is Happy Feet, Every Day. It is a simple daily routine to keep your feet fresh, comfortable and cared for from morning to night. The second is The Clean-Nail Playbook. It covers everyday habits and foods that help support healthy-looking nails and a clean appearance. Both are digital downloads, so nothing is added to the parcel. Think of them as a helpful extra on a package you already wanted, not as the reason to buy it. They are general self-care guides, not medical advice.
Free U.S. shipping, two bonus guides and a 60-day money-back guarantee, as a one-time payment.

Shipping is where the packages differ most. On the one-jar and three-jar packages, shipping is charged. On the six-jar package, it is free within the U.S. The seller sets the rates, so check the total on the checkout page before you pay. Our guide to ordering from the official website walks through the order step by step.
Here is the cost per jar and per day for each package. The daily figures are simple arithmetic on the per-jar price and the seller’s stated 30-day jar. They are not a promise about how long a jar will last you.
That makes the six-jar package the cheapest way to buy TerraCalm per jar. How far 3 oz stretches depends on how much you apply and whether you cover two feet or ten toes. For more on the price ladder, see our TerraCalm discount and sale price guide.
The big package suits someone who has already used the clay and knows they like the feel and the scent. It also suits a person who wants a steady routine over many months, since a toenail takes a long time to grow out. A first-time buyer may prefer a single jar. A strong herbal scent from the clove and oregano oils is not for everyone, and the oils can bother sensitive skin. A one-jar trial lets you find out at the lowest cost.
Be honest about the habit, too. A six-jar package is only good value if the routine lasts past the second week. Our daily routine guide shows how little time the routine takes.
Every package has the same 60-day money-back guarantee, and it applies to orders on the official website only. Keep your confirmation email and order number, and note the date. If you want the full picture, read our guide to the TerraCalm money-back guarantee.
TerraCalm is a cosmetic for the look and comfort of skin and nails. It is for external use only. If a nail is spreading, painful, dark or lifting, see a doctor, pharmacist or podiatrist.
Shipping is free within the U.S. on the 6-jar package. The one-jar and three-jar packages carry a small shipping charge. Check the total at checkout, because the seller sets the rates.
Two free digital guides come with it: Happy Feet, Every Day and The Clean-Nail Playbook. The 6-jar package is the only one that carries them.
Each jar costs $49. One jar is $69 and three jars are $59 each. All packages are a one-time payment with a 60-day money-back guarantee.
The TerraCalm Research Team is an independent group that writes plain-language guides on everyday foot, skin and nail care. We take product facts from the manufacturer’s published material and the label, describe ingredients by their traditional and general use, and keep cosmetic care separate from medical care. Our articles are for general education, not a diagnosis or a substitute for your own clinician’s advice.
† These statements have not been evaluated by the Food and Drug Administration. TerraCalm is a cosmetic for the look and comfort of skin and nails, not a drug. This article is general information, not medical advice; talk to a qualified professional about your own situation.