Grodan Products - Premier Hydro

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Advanced Nutrients

Hydrofarm

Active Aqua

General Hydroponics

House & Garden

Foxfarm

Gro Pro

Botanicare

Roots Organics

Trolmaster

Hydro Flow

Emerald Harvest

Active Air

Hydro-Logic

Heavy 16

Growers Edge

Grotek

Titan Controls

Auto pot

Canna

FloraFlex

Nectar For The Gods

Aptus

CYCO

Netafim USA

Mills

Bluelab

Cutting Edge Solutions

Photobio

Technaflora

Eco Plus

Hydro Dynamics

Autopilot

Grodan

Can Fan

SunBlaster

Phat

Dosatron

Remo Nutrients

Gavita

Leader Pumps

Down To Earth

Dyna-Gro

Grow More

Mad Farmer

Optic Foliar

Jump Start

Smart Pot

Hanna Instruments

Quest

Emerald Triangle

Ez Clone

Biobizz

Humboldt Nutrients

Anden

Mother Earth

Atmosphere

Growth Science Organics

Harvest Keeper

Xtreme Gardening

Biosafe

GroStar

Royal Gold

Hygrozyme

LightRail

Monterey

Shear Perfection

Super Sprouter

BioAg

Gaia Green

Hydro Organics / Earth Juice

Ona

Plant Success

Power Si

PRO-MIX

GROW!T

Ideal Air

NPK Industries

Vortex Powerfans

Vostermans

Active Eye

Age Old

Agrobrite

Air-Pot

Anden / Aprilaire

Big Time Hydroponics

Link4 Corporation

Microbe Life

Rock Nutrients

Atami

Futurola

Marrone Bio Innovations

Sierra Natural Sciences

SuperThrive

Terpinator

True Liberty Bags

Boveda Inc

Central Coast Garden Products

Centurion Pro

Coast of Maine

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Grodan
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sku: AD202005

Dutch Leach Tray Elbow, bag of 25

For the Dutch Leach tray.

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Grodan
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sku: RW294714

Gro Block Improved Mini Block 2Inches wrapped (24/strip)

New Grodan Improved! Improved product at current pricing. New density + new hydrophilic technology = better water distribution and root development. The uniform distribution of water and nutrients...

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Grodan
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sku: HGC713007

Gro Block Improved Small 3Inches GR4 w/ hole (3Inchesx3Inchesx2.6Inches) (8/strip- 48 strips per cs) 384 per case

New Grodan Improved! Improved product at current pricing. New density + new hydrophilic technology = better water distribution and root development. The uniform distribution of water and nutrients...

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Grodan
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sku: HGC713004

Grodan Improved Mini Block 1.5Inches wrapped (45/strip - 50 strips/Cs) 2250 per case

New Grodan Improved! Improved product at current pricing. New density + new hydrophilic technology = better water distribution and root development. The uniform distribution of water and nutrients...

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Grodan
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sku: RWAO2540

Grodan A-OK 25/40 - 1 in x 1 in Plugs (200/Sheet) (30 Sheets/Cs)

A-OK Starter Plugs for starting seeds and rooting of cuttings prior to plugging into the larger Gro-Blocks. A-OK Starter Plugs come labeled with instructions in a shrink-wrapped sheet that fits a...

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Grodan
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sku: RWAO3640

Grodan A-OK 36/40 1.5 in x 1.5 in Plugs (98/Sheet) (30 Sheets/Cs)

A-OK Starter Plugs for starting seeds and rooting of cuttings prior to plugging into the larger Gro-Blocks. A-OK Starter Plugs come labeled with instructions in a shrink-wrapped sheet that fits a...

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Grodan
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sku: RWAO5040

Grodan A-OK 50/40 2 in x 2 in Plugs (50/Sheet) (30 Sheets/Cs)

A-OK Starter Plugs for starting seeds and rooting of cuttings prior to plugging into the larger Gro-Blocks. A-OK Starter Plugs come labeled with instructions in a shrink-wrapped sheet that fits a...

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Grodan
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sku: RW108001

Grodan Delta Big Mama Block 8 in x 8 in x 8 in (18CT)

Gro-Blocks are similar to a plant container. Need a 3 in pot? Then choose a 3 in Gro-Block. Small plants can be fully grown in our larger Gro-Blocks. Holes are perfect size for any 1.5 in starter...

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Grodan
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sku: RW15100

Grodan Expert Fat Slabs 15/100 6 in x 4 in x 36 in

Gro-Slabs provide the final stage for growing a spectacularly large plant. Transplant your Gro-Block plant onto a slab just like professional growers. They come in clearly marked biodegradable...

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Grodan
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sku: RW157512

Grodan Expert Slab 15/75 6 in x 3 in x 36 in

Gro-Slabs provide the final stage for growing a spectacularly large plant. Transplant your Gro-Block plant onto a slab just like professional growers. They come in clearly marked biodegradable...

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Grodan
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sku: RW274993

Grodan Gro-Block Improved GR10, large 4Inches loose on pallet (1,584)

New Grodan Improved! Improved product at current pricing. New density + new hydrophilic technology = better water distribution and root development. The uniform distribution of water and nutrients...

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Grodan
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sku: HGC713255

Grodan Gro-Block Improved GR22, Jumbo (box of 64)

New Grodan Improved! Improved product at current pricing. New density + new hydrophilic technology = better water distribution and root development. The uniform distribution of water and nutrients...

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Grodan
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sku: RW274999

Grodan Gro-Block Improved GR32, 6x6x6, Hugo (box of 64)

New Grodan Improved! Improved product at current pricing. New density + new hydrophilic technology = better water distribution and root development. The uniform distribution of water and nutrients...

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Grodan
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sku: RW286616

Grodan Gro-Block Improved GR32, 6x6x6, Hugo loose on pallet (512)

New Grodan Improved! Improved product at current pricing. New density + new hydrophilic technology = better water distribution and root development. The uniform distribution of water and nutrients...

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Grodan
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sku: RW205002

Grodan Gro-Smart Tray Insert

Your Grodan® Starter plugs, Mini-Blocks and Gro-Blocks have finally found a home. This durable Dutch tray has double-sided features. Use the 78-cell side to perfectly fit 1.5 in A-OK Starter Plugs or...

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Grodan
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sku: RWXA20

Grodan Gro-Wool Absorbent Granulate (Freight/In-Store Pickup Only)

Granulated rockwool works great on its own or mixed with other loose media, such as expanded clay rocks or coconut fiber. If planting in containers outdoors, water absorbent granulate is the best...

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Grodan
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sku: RW91002

Grodan Grow-Cubes Bulk Loose Box

Grow-Cubes are small loose 1/2 in cubes of stonewool. Advantages are better aeration, maximum drainage so that you can hardly ever overwater your plant, easy mixing with other loose media (such as...

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Grodan
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sku: RW91003

Grodan Grow-Cubes Large 2 cu ft (3/Cs)

Grow-Cubes are small loose 1/2 in cubes of stonewool. Advantages are better aeration, maximum drainage so that you can hardly ever overwater your plant, easy mixing with other loose media (such as...

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Grodan
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sku: RW108004

Grodan MacroPlug Round w/ Slit (50/Bag) (35 Bags/Cs)

MacroPlugs are 1.5 in round with a slit that allows easy insertion of a cutting. These loose round plugs fit perfectly into the Gro-Block hole. For best results, always insert MacroPlugs in a tray...

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Grodan
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sku: HGC713035

Grodan MacroPlug Round w/ Slit Bulk (2000/Cs)

MacroPlugs are 1.5 in round with a slit that allows easy insertion of a cutting. These loose round plugs fit perfectly into the Gro-Block hole. For best results, always insert MacroPlugs in a tray...

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Grodan
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sku: HGC713230

Grodan Pargro QD 4 in x 4 in Block (72) w/ Hole (12/Cs)

Same quality, same value-priced, half-sized cases. Driest value-priced rockwool on the market. Made at the Grodan¨ factories. Plain brown half-case sizes. Better quality and drainage than other...

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Grodan
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sku: RW241025

Grodan Pargro QD Biggie Block 6 in x 6 in x 6in w/ Hole (64/Cs)

Same quality, same value-priced, half-sized cases. Driest value-priced rockwool on the market. Made at the Grodan® factories. Plain brown half-case sizes. Better quality and drainage than other...

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Grodan
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sku: HGC713251

Grodan Pargro QD Jumbo Block 6 in x 6 in x 4 in w/ Hole (64/Cs)

Same quality, same value-priced, half-sized cases. Driest value-priced rockwool on the market. Made at the Grodan® factories. Plain brown half-case sizes. Better quality and drainage than other...

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Grodan
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sku: RWP95195

Grodan PRO A-OK Starter Plugs 1.5 in Unwrapped

A-OK Starter Plugs for starting seeds and rooting of cuttings prior to plugging into the larger Gro-Blocks. A-OK Starter Plugs come labeled with instructions in a shrink-wrapped sheet that fits a...

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Grodan
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sku: RWP31384

Grodan PRO A-OK Starter Plugs 2 in Unwrapped

A-OK Starter Plugs for starting seeds and rooting of cuttings prior to plugging into the larger Gro-Blocks. A-OK Starter Plugs come labeled with instructions in a shrink-wrapped sheet that fits a...

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Grodan
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sku: RW108003

Grodan Stonewool Grow-Chunks 2 cu ft (3/Cs)

Light, airy and versatile. Grow-Chunks are about 3/4 in square each and can be used in pots, around blocks or alone. They are easily combined with other media, such as layering with coco fiber or...

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Grodan
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sku: AD207057

Metal Needles for 60CC Syringe

Used by the pros to take water samples deep inside a Grodan stonewool block or slab for better pH and EC analysis. Fits any standard Luer-Lock plastic syringe.

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Grodan
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sku: AD205030

Twine Clips Mega 25mm Terracotta, Pack of 100

Great to support your plants throughout their growth. Use them to tie your plants to stakes, trellis or support wire. Commonly used to help support tomatoes, cucumbers, peppers and any tall plant.

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