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Pick your solutions.
OtO-fill means you’ll never have to worry about taking care of your lawn ever again. Customize your subscription plan by choosing up to three solution bottles per device.
SAVE $100-off each device when paired with OtO-fill.
Lawn Food + Molasses
The perfect balanced diet for lush, green plant growth and healthy soil.
  • Applies automatically on a weekly basis
  • Soil-enriching molasses encourages soil microorganisms
  • Pet, people, and planet friendly with no harsh chemicals
$19.49/mo
$38.99 per bottle
(each bottle lasts 2 months)
Ships every 2 months i
Stop the Bites!
Kill and repel ticks and mosquitos all season long, without any toxic chemicals.
  • Applies automatically on a daily basis
  • 100% mosquito kill rate in first hour
  • Safe, natural lemongrass formula
$25.99/mo
$51.99 per bottle
(each bottle lasts 2 months)
Ships every 2 months i
Odor Eliminator
Powerful enzymic urine odor eliminator for turf, grass, patios, and more.
  • Applies automatically on a daily basis
  • Helps prevent pee spots
  • Biodegradable, safe to use around pets and people
$27.99/mo
$55.99 per bottle
(each bottle lasts 2 months)
First order ships late May i
1 Subscription(s) Added

Cancel at any time. Shipping is always free.

Solution-only orders ship in 4-5 business days. Solutions purchased at the same time as an OtO unit will ship together at the beginning of June.

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What’s OtO-fill?

Subscribe and never worry about your lawn again.


Delivered to your door

Automatically get a new bottle right when you need it. Each bottle lasts 2 months, so you get about 3 bottles per year, depending on your geographic location.

Perfect for your climate

Your subscription will automatically pause in the fall and start again in spring, right when you need it.

Includes everything you need

Simply install the bottle into your OtO and let OtO do the rest.

Shipping is always free