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Seedling Heat Mats

Waterproof heat mats that warm the root zone under seed trays. A 10 by 20 inch mat fits one standard flat; a thermostat keeps temperature steady.

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Luxbird seedling heat mat 6-pack 10x20-75 provides even warmth for early germination.

Luxbird

Luxbird 2026 Upgraded Seedling Heat Mat — 6 Pack, 10x20.75", UL & MET Certified, 20W for Hydroponics & Indoor Gardening

$66.69

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PETZOOKA seedling heat mat under a seedling box providing steady warmth for germination

PETZOOKA

PETZOOKA Seedling Heat Mat 6 Pack - Durable Waterproof Plant Heating Pad for Germination & Indoor Gardening

$59.15

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Luxbird 4-pack seedling heat mats shown together for compact indoor warmth

Luxbird

Luxbird 4 Pack Seedling Heat Mats with Digital Thermostat Controller – 10 x 20.75 in, Waterproof (LB-HT04)

$93.40

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VIVOSUN seedling heat mat top view delivering even warmth for germination.

VIVOSUN

VIVOSUN 20 x 20.75 Seedling Heat Mat & Digital Thermostat Combo — Germination & Indoor Gardening

$56.35

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BN-LINK seedling heat mat under tray for uniform warmth aiding germination

BN-LINK

BN-LINK Durable Seedling Heat Mats, 10x20.75 in, 4-Pack, Waterproof Germination Mats

$52.30

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Ruyyi four-pack seedling heat mats laid out for setup and planning

Ruyyi

Ruyyi Upgrade Version 4PK Seedling Heat Mat – ETL Listed, Waterproof, 17.5W, Indoor Gardening

$56.41

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VIVOSUN seedling heat mat top view promoting even warmth for germination.

VIVOSUN

VIVOSUN 48 x 20.75 Seedling Heat Mat & Digital Thermostat Combo | UL & MET-Certified

$71.89

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BN-LINK seedling heat mat 48x20.75 inches provides even warmth for indoor seed starting.

BN-LINK

BN-LINK Seedling Heat Mat with Digital Thermostat — 48x20.75 in, Indoor Seed Starting

$74.22

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RC SLL durable seedling heat mat top view shows four-pack setup for reliable germination.

RC SLL

RC SLL Durable Seedling Heat Mat 10x20.75 in – 4 Pack, MET Certified, Waterproof, 18W

$49.28

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GOLOPET seedling heat mat 4-pack front view supports even tray warming

GOLOPET

GOLOPET Seedling Heat Mat 4-Pack – MET & UL Certified Plant Heating Pad

$46.83

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HYDGOOHO seedling heat mat 2-pack full setup for even seed germination warmth.

HYDGOOHO

HYDGOOHO Seedling Heat Mat with Built-in Temperature Controller (2 Pack) – 10 x 20.75 in

$55.99

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HYDGOOHO Seedling Heat Mat 4 Pack ready for reliable seed starting

HYDGOOHO

HYDGOOHO Seedling Heat Mat 4 Pack – MET Certified, Waterproof Heating Pad for Seed Starting & Greenhouse Use

$60.24

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VIVOSUN seedling heat mat provides steady warmth for germination

VIVOSUN

VIVOSUN Durable Waterproof Seedling Heat Mat 20x20.75-inches UL & MET-Certified

$36.55

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VIVOSUN seedling heat mat ready for germination with steady warmth.

VIVOSUN

VIVOSUN Seedling Heat Mat & Thermostat – 10x20.75 in, UL/MET-Certified

$37.72

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Bestio seedling heat mat under a seed tray promoting even germination warmth.

Bestio

Bestio Waterproof Seedling Heat Mat 10x20.75-inch - 4-Pack for Seed Starting, Indoor Gardening, UL & MET-Certified

$60.52

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Hon-Guan seedling heat mat top view showing even warmth for germination.

Hon&Guan

Hon-Guan 2-Pack Seedling Heat Mat with Digital Thermostat – Waterproof Plant Germination Heating Pad

$44.09

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BN-LINK seedling heat mat under tray provides even warmth for seeds

BN-LINK

BN-LINK Durable Seedling Heat Mat – 10 x 20.75 in, 2-Pack, Waterproof, ETL Listed | Seed Germination & Indoor Growing

$26.28

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BN-LINK seedling heat mat front view provides even warmth for reliable germination.

BN-LINK

BN-LINK Seedling Heat Mat with Thermostat Controller Combo Set — 10 x 20.75 in, ETL Listed, Indoor Seed Starting

$35.87

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Seedfactor seedling heat mat warming a seedling tray for even germination.

Seedfactor

Seedfactor MET Certified 2-Pack Seedling Heat Mat – Waterproof Germination (10x20)

$29.02

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VIVOSUN seedling heat mat front view showing even warmth distribution

VIVOSUN

VIVOSUN 2-Pack Waterproof Seedling Heat Mat 10x20.75in UL & MET-Certified

$32.30

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VIVOSUN seedling heat mat with digital controller maintains precise warmth for germination

VIVOSUN

VIVOSUN 10x20.75 Seedling Heat Mat with Built-in Temperature Controller | Waterproof, UL & MET-Certified

$36.55

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LOCONHA seedling heat mat top view showing a black 10x20.75-inch pad in a tray.

LOCONHA

LOCONHA Seedling Heat Mat – 10x20.75-inch Waterproof Heating Pad for Seed Starting (2 Pack, Black)

$26.28

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VIVOSUN seedling heat mat front view delivers uniform germination warmth.

VIVOSUN

VIVOSUN Durable Waterproof Seedling Heat Mat 10x20.75 in — UL & MET-Certified, 20W Germination Heating Pad

$18.06

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RooTrimmer graphene heating mat on a 1020 tray for even germination

RooTrimmer

RooTrimmer 2 Pack Graphene Plant Heating Mat for 1020 Seedling Trays | 20W Waterproof Seed Germination Pads

$24.91

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Toaspa Seedling Heat Mat 10x20-75 provides uniform warmth for seed trays.

Toaspa

Toaspa Seedling Heat Mat 2 Pack – 10x20.75in Seed Starting Heating Pads for Indoor Growing

$26.28

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iPower seedling heat mat close-up showing even heating for uniform germination.

iPower

iPower 2 Pack 10x20 Seedling Heat Mat – Upgraded Carbon Film, Indoor Germination Pad

$49.65

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Luxbird seedling heating mat placed on soil to warm roots for germination

Luxbird

Luxbird 2 Pack Seedling Heating Mat for Seed Starting – 10x20.75 in, IP67 Waterproof, 21W

$26.28

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Ruyyi seedling heat mat under a 20x10 tray providing steady warmth for germination

Ruyyi

Ruyyi 20x10 Seedling Heat Mat – ETL-Certified Waterproof Heating Pad for Germination

$15.32

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BN-LINK seedling heat mat under a tray for even warmth

BN-LINK

BN-LINK Durable Seedling Heat Mat 10 x 20.75 in – Waterproof, ETL Listed for Seed Starting & Indoor Growing

$18.06

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VIVOSUN seedling heat mat on a tray with sprouts promotes steady germination.

VIVOSUN

VIVOSUN Durable Waterproof Seedling Heat Mat 3x20-Inch – UL & MET-Certified Heating Pad for Germination, Hydroponics & Fermentation

$15.26

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LOCONHA Seedling Heat Mat placed on a seedling tray to maintain germination warmth

LOCONHA

LOCONHA Seedling Heat Mat 10x20.75" - Waterproof Pad for Seed Starting

$15.32

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Seedfactor Seedling Heat Mat top view warming soil for germination and even heat distribution

Seedfactor

Seedfactor MET-Certified Seedling Heat Mat – Waterproof Germination Station (10x20 in)

$18.06

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Waterproof heat mats that warm the root zone under seed trays. A 10 by 20 inch mat fits one standard flat; a thermostat keeps temperature steady.

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