Hydroponics / Replacement grow sponges
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Grow Sponges Hydroponics

Data updated 2026-10-30

Bio-carbon and peat-based pods designed for smart indoor garden baskets 42 systems · 29 brands

Systems for fresh herbs Systems for vegetables Systems with LED grow lights Water and air pumps Affordable Systems for flowers Systems for fruits Vertical hydroponic towers Automatic timer systems Hydroponic plant food Hydroponic net pots and baskets Leca clay pebbles Black hydroponic systems Height adjustable grow lights White hydroponic systems 12 pod hydroponic systems Kits for beginners Replacement grow sponges Deep water culture systems Rockwool grow cubes 30 pod hydroponic systems Systems with quiet pumps PH adjustment and testing kits 15 pod hydroponic systems Green WiFi and app controlled systems Blue Gardening gifts for women 8 pod hydroponic systems Grey hydroponic systems 60 pod hydroponic systems Gray Propagation and cloning kits Fits 16 inch Aeroponic growing systems Gardening gifts for men Brown

Best Grow Sponges Hydroponics

# Item Details Maker Range Long View offer
1 Hydroponic seed pod kit with fifteen pods 8.9 Tigvio Hydroponic seed pod kit with fifteen pods Systems for fresh herbs · Affordable · 15 pod hydroponic systems Tigvio $9.99 0.3 cm
$9.99 View offer
2 Wall mounted 36 site hydroponic system 8.2 VIVOSUN Wall mounted 36 site hydroponic system Systems for vegetables · Water and air pumps · Automatic timer systems VIVOSUN $69.99 99.1 cm
$69.99 View offer
3 Fifty piece hydroponic grow sponge kit 8.9 Ahopegarden Fifty piece hydroponic grow sponge kit Systems for fresh herbs · Affordable Ahopegarden $9.99 20.8 cm
$9.99 View offer
4 Grow pods and nutrients 166 piece set 9.1 GARDENCUBE Grow pods and nutrients 166 piece set Systems for fresh herbs · Hydroponic plant food GARDENCUBE $19.99 17.8 cm
$19.99 View offer
5 Two layer fifty four site growing system 7.6 LAPOND Two layer fifty four site growing system Systems for fresh herbs · Systems for vegetables · Water and air pumps LAPOND $84.99 —
$84.99 View offer
6 Indoor herb garden with 28 plant pods 8.1 AOONEG Indoor herb garden with 28 plant pods Systems for fresh herbs · Systems for vegetables · Systems with LED grow lights AOONEG $140 45.7 cm
$140 View offer
7 Aquarium air pump for 20 gallon tanks 8.8 AQUANEAT Aquarium air pump for 20 gallon tanks Water and air pumps · Affordable AQUANEAT $6.98 10.2 cm
$6.98 View offer
8 Hydroponic grow sponges and baskets kit DPROOTS Hydroponic grow sponges and baskets kit Hydroponic net pots and baskets DPROOTS $21.99 14 cm
$21.99 View offer
9 Eighty four piece hydroponic pod refill Dryades Eighty four piece hydroponic pod refill Affordable · 12 pod hydroponic systems Dryades $9.99 16 cm
$9.99 View offer
10 Replacement grow baskets fifty pack 9.2 EVERECOO Replacement grow baskets fifty pack Affordable EVERECOO $15.99 2.5 cm
$15.99 View offer

Rooting media for indoor garden systems

This catalog features replacement grow sponges and starter kits designed for countertop gardens and larger PVC pipe systems. Most listings use bio-carbon or peat-based materials that provide a stable structure for seeds to germinate. These sponges fit into standard plastic baskets found in popular indoor herb kits.

You can find bulk packs ranging from 50 to 128 pieces. Some sets include only the sponges, while others provide a full refresh kit with baskets, humidity domes, and nutrient bottles. These are useful when you want to reuse your existing hardware for a new growing season.

What these grow kits include

The listings in this set vary by the number of plant sites and the specific hardware included. Some are simple refills, while others are complete vertical or horizontal pipe setups for leafy greens.

Selecting the right fit for your garden

Check the dimensions of your current baskets before choosing a sponge pack. While many are universal for smart gardens, some are tapered for specific brands like VIVOSUN or AOONEG. If you are starting a new system from scratch, look for the listings that include the water pump and timer to automate the irrigation cycle.

Click on a brand page to see if they offer specific sponge densities for different plant types like fruits or herbs. These sponges stay moist without waterlogging the roots, which helps prevent mold in enclosed indoor environments.

Also here
Systems for fresh herbs Water and air pumps Systems for vegetables Affordable Automatic timer systems Hydroponic plant food Hydroponic net pots and baskets Systems for flowers