Emsiok 18" Stainless Steel Planter Inserts for Large Tall Pots — 3‑Pack Drainage Risers that Reduce Soil & Improve Root Aeration

These Emsiok 18" stainless steel round planter inserts lift the planting surface, add drainage, and reduce soil volume for large tall pots.

If you grow big container plants indoors or on patios, heavy pots and poor drainage are common hassles. The Emsiok planter risers create a raised internal platform inside large, tall pots so water drains away from roots, airflow improves under the root ball, and you need far less potting mix. Built from rust-resistant stainless steel, the three-piece set fits many wide-base planters and is reusable season after season.

How does this insert improve drainage and root airflow?

The insert provides a suspended planting platform with multiple drain holes so excess water has a clear path away from the roots. That separation prevents waterlogging and encourages oxygenation beneath the root zone, which helps roots stay healthier in both indoor and outdoor pots.

• Multiple built-in drainage holes let excess water escape quickly.
• Raised platform prevents the root ball from sitting in standing water.
• Improved air circulation under root zone reduces moisture buildup.

Will the insert fit my large tall pot and reduce soil needs?

Each disk measures 18 inches across, creating a stable horizontal surface for planters with a base diameter under that size. By dividing a very large pot into two chambers, the insert reduces the amount of potting mix required without compromising space for roots above the platform.

• 18" diameter suits many large pots—confirm planter base measurement before buying.
• Uses less soil to fill the lower cavity, lowering pot weight and cost.
• Leaves ample depth above the platform for healthy root development.

How durable and low-maintenance is the stainless steel construction?

The Emsiok insert is made from high-quality stainless steel designed to resist rust and deformation over time. Its smooth metal surface wipes clean easily, so routine maintenance is quick and the inserts are ready for seasonal reuse.

• Rust-resistant stainless steel for long service life in outdoor conditions.
• Sturdy build supports heavy pots and soil loads without bending.
• Smooth finish makes cleaning simple—hose off or wipe down as needed.

How easy is it to install and reposition the insert?

Installation is straightforward: set the disk inside the pot at the desired height to create the raised planting platform. Its rigid construction keeps a stable horizontal surface, and because it reduces overall pot weight, moving large planters becomes easier once the soil volume is reduced.

• Simply place the insert into the planter—no tools required.
• Stable platform supports repotting and plant rearrangement tasks.
• Three-piece pack covers several planters or provides backups for seasonal use.

Who this is for: Gardeners with large, tall containers who want better drainage, lighter pots, and a reusable, low-maintenance solution. Ideal for balcony growers, patio gardeners, indoor plant enthusiasts with heavy planters, and anyone looking to cut soil costs and simplify routine maintenance while protecting root health.