• Better Than Rocks 12" × 12" Twin Pack drainage insert displayed with flowers and large patio planters in an outdoor garden.
  • Better Than Rocks eco-friendly planter drainage sheets displayed beside a cutaway planter showing layered drainage setup, soil and blooming flowers — highlighting sustainable gardening in action. Featured sizes include the Better Than Rocks 8" × 8" Twin Pack and the Better Than Rocks 12" × 12" Twin Pack.
  • Side-by-side comparison of planter drainage using Better Than Rocks versus traditional rocks, featuring 10 inch pots filled with blooming flowers in a backyard garden.
  • Woman preparing a round planter with a Better Than Rocks drainage insert in a backyard garden, surrounded by flowers and pots for container gardening.
  • Person placing Better Than Rocks drainage insert into a planter pot to improve drainage and reduce weight before planting flowers.
  • Assorted Better Than Rocks planter inserts in various sizes displayed outdoors with flower pots, tools and a barrel planter, showing product versatility for container gardening.
  • Better Than Rocks 12" × 12" Twin Pack on white background.
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12" × 12" Twin Pack

Better Than Rocks

$ 13.99
$ 13.99

Better Than Rocks is the simple and ultimate planter drainage solution that promotes lush, long-lasting container gardens. The 12" × 12" Twin Pack is specifically designed for deeper containers like a 12 inch plant pot and other large outdoor planters, offering support, airflow and smarter water drainage.

Better Than Rocks will make your planters lighter and promote better drainage and superior plant health in containers of all shapes and sizes. The 12 inch planter size is ideal for serious gardeners managing large pots, patio displays or balcony gardens that need a durable, effective base.

Layer it at the base of your 12 inch planter with drainage holes or solid-bottom containers to keep soil in place and reduce excess moisture. It cuts down on the weight of large pots, uses less soil and supports healthier root growth — without the mess of traditional filler.

Learn why it’s better than traditional materials.

Better Than Rocks 12" × 12" Twin Pack drainage insert displayed with flowers and large patio planters in an outdoor garden.
Better Than Rocks eco-friendly planter drainage sheets displayed beside a cutaway planter showing layered drainage setup, soil and blooming flowers — highlighting sustainable gardening in action. Featured sizes include the Better Than Rocks 8" × 8" Twin Pack and the Better Than Rocks 12" × 12" Twin Pack.
Side-by-side comparison of planter drainage using Better Than Rocks versus traditional rocks, featuring 10 inch pots filled with blooming flowers in a backyard garden.
Woman preparing a round planter with a Better Than Rocks drainage insert in a backyard garden, surrounded by flowers and pots for container gardening.
Person placing Better Than Rocks drainage insert into a planter pot to improve drainage and reduce weight before planting flowers.
Assorted Better Than Rocks planter inserts in various sizes displayed outdoors with flower pots, tools and a barrel planter, showing product versatility for container gardening.
Better Than Rocks 12" × 12" Twin Pack on white background.

Frequently Asked Questions About The Better Than Rocks 12"× 12" Twin Pack

What planter sizes work best with the Better Than Rocks 12" × 12" Twin Pack?

This size works best for larger containers like 12 inch pots, large ceramic planters, and patio containers 10 to 15 inches in width.
Can I cut the 12" × 12" drainage squares to fit odd-shaped containers?

Yes! The squares can be easily trimmed to fit round, rectangular or other shaped 12 inch planters using our favorite garden shears by Fiskars.

Check out our How To guide to learn more about usage and installation.
How many layers do I need for a deep 12 inch pot?

For large seasonal planters, you’ll typically want to stack two to three layers. For deep outdoor planters used year-round, you may add three to four layers, depending on the container depth, to occupy the lower third of the planter, reducing soil usage while enhancing planter drainage.
How thick are the sheets in the Better Than Rocks 12"× 12" Twin Pack?

Each piece is about 1.5 inches thick, providing a reliable cushion of airflow and water drainage under your plants while keeping the overall weight of the container low.
What makes the Better Than Rocks 12" × 12" Twin Pack a good choice for larger pots and containers?

The 12" x 12" Twin Pack provides a solid, reusable base that supports soil and root structure in larger pots. It keeps planters lighter, cleaner and better drained, especially important in outdoor or heavy-duty containers.
Why is the  Better Than Rocks 12" × 12" Twin Pack perfect for serious gardeners?
  • The 12" × 12" is built for larger scale containers and heavy-duty outdoor planters.
  • Supports healthy drainage while keeping soil in place.
  • Cuts down on the amount of potting mix needed.
  • Stays in great condition season after season.
  • Each 12" × 12" Twin Pack is made using seven (7) recycled soda bottles!

More Questions?

Check out our expanded FAQ's or Contact Us.

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