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Fertilizer and Plant Food

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General Hydroponics GH pH Up - gal

For plants to grow their best it's important that the nutrient pH be slightly acidic - the range of 5.5 to 6.5 is considered ideal for most crops. The General Hydroponics pH Up (Base) is formulated using Potassium Hydroxide and Potassium Carbonate which a

$39.06

General Hydroponics GH Maxigro 2.2 lb Pouch

MaxiGro (10-5-15) is a strong one-part dry nutrient gardeners use to start plants and to promote fast growth during the vegetative stage. It improves plant yield and is pH buffered to help reduce pH drift. MaxiGro is easy-to-use and works well in hydropon

GH Maxigro 2.2 lb Pouch

$23.49

General Hydroponics GH Floranova Grow - gal

Flora Nova is the breakthrough gardeners have been waiting for: an exceptionally potent, complete one-part fertilizer plus organic additives. Extremely concentrated, Flora Nova is an excellent bargain, one to two teaspoons in a gallon of water. One bot

GH Floranova Grow - gal

$116.60

$69.96

General Hydroponics GH Floranova Bloom - qt

Flora Nova is the breakthrough gardeners have been waiting for: an exceptionally potent, complete one-part fertilizer plus organic additives. Extremely concentrated, Flora Nova is an excellent bargain, one to two teaspoons in a gallon of water. One bot

GH Floranova Bloom - qt

$36.39

Botanicare Botanicare Cal-Mag Plus - 2.5 gal

Cal-Mag Plus is a highly fortified calcium, magnesium and iron plant supplement formulated to correct common deficiencies. Supplementing your preferred nutrient program with Cal-Mag Plus is strongly recommended when using reverse osmosis water and when gr

Botanicare Cal-Mag Plus - 2.5 gal

$130.57

$78.35

General Hydroponics GH Flora Micro - 2.5 gal

The FloraGro (2-1-6), FloraBloom(0-5-4), and FloraMicro (5-0-1) series of hydroponic fertilizers from General Hydroponics represents the collective contribution of many famous scientists in the fields of hydroponics, agriculture, and chemistry. The con

GH Flora Micro - 2.5 gal

$111.45

General Hydroponics GH CaMg+ qt

CaMg+ is the ideal supplement to provide a natural source of Calcium and Magnesium, critical elements in a plant's growth cycle. These elements are often absent in many fertilizers and potting mixes, resulting in stunted growth. CaMg+ is biologically cata

$22.26

Advanced Nutrients Advanced Flawless Finish 1L

Here's Your Final Solution for High Quality HydroponicsFlawless Finish is a clearing flush solution that removes excess fertilizer salts from growing systems and media. Safe to use while plants are growing, Flawless Finish is concentrated and easy to use,

Advanced Flawless Finish 1L

$23.62

Advanced Nutrients Advanced Big Bud Liq 1L

Heavy Yields That Taste GreatBig Bud provides the essential elements that not only aid in the development of buds but are known to increase both their size and quality â€“ for heavier yields that taste great!

Advanced Big Bud Liq 1L

$54.08

Roots Organics Roots Organics Terp Tea Grow- 3lb

A vegetative growth component of this two-part dry nutrient system. You can use as a standalone base nutrient for the vegetative phase or incorporate into an existing fertility program to enhance the terpene profile and improve vigor.

Roots Organics Terp Tea Grow- 3lb

$20.51

BuildASoil BuildASoil Ocean Grown Blend and Trace Minerals - 1 lb

Smells like the ocean and provides all the inputs in 1 bag. Many growers used to think that "OG" meant "Ocean Grown" because of the phenomenal quality ocean based inputs can create.

BuildASoil Ocean Grown Blend and Trace Minerals - 1 lb

$20.00

BuildASoil BuildASoil BuildABloom Amino Chelated Bloom Booster- 1 lb

BuildABloom is BuildASoil's famous amino acid chelated mineral formula for flowering plants.

BuildASoil BuildABloom Amino Chelated Bloom Booster- 1 lb

$25.00

BuildASoil BuildASoil Coconut Water Powder - Raw Freeze Dried Organic - 1/2 lb

Welcome to the best addition to your garden!

BuildASoil Coconut Water Powder - Raw Freeze Dried Organic - 1/2 lb

$30.00

BuildASoil BuildASoil Horticultural Aloe - 1 oz

The Lignin's in Aloe Vera allow the plants to utilize the nutrient and moisture supply more efficiently with less stress on the plant.

BuildASoil Horticultural Aloe - 1 oz

$33.00

Silica Earth Silica Earth Volcanic Silica Minerals Micronized Powder - 1lb

Silica Earth Volcanic Silica Minerals works great as a dry mineral additive for soil, coco, rockwool substrate applications, AND for mixing with liquid nutrients, compost tea and foliar. (*safe to use on or near plant roots.)

Silica Earth Volcanic Silica Minerals Micronized Powder - 1lb

$20.99

Athena Athena Pro Mix Kit - 1 Gal

Athena Mix Kit makes it easy and accurate to mix a concentrated fertilizer mix. Just add a single pouch to the matching 1 gallon just, fill with water and shake until fully dissolved. Look for Athena 10 lb Pro Line box for refill pouches.

Athena Pro Mix Kit - 1 Gal

$77.00

Canna Canna Bio Boost 250mL

BioBOOST by BIOCANNA is a natural additive that promotes bigger blooms and stronger flavors in flowers to create a high-quality yield.

Canna Bio Boost 250mL

$35.20

Down To Earth Down to Earth Rock Phosphate 0-3-0 5 lb

Down To Earth™ Rock Phosphate is essential for building soil phosphate levels for long-term plant productivity and for preventing calcium deficient soils.

Down to Earth Rock Phosphate 0-3-0 5 lb

$14.99

Maxicrop Maxicrop Liquid Fish 3-1-1 - 32oz

Made from fresh Menhaden fish and has a guaranteed analysis of 3-1-1. The liquid is ready to dilute in water. Can be used as a foliar feed indoors or out or as a soil drench feed. Great for use on flowers, trees, lawns, fruits, and vegetables.

Maxicrop Liquid Fish 3-1-1 - 32oz

$15.99

Monterey Monterey Epsom Salts (Magnesium Sulfate) - 4lb

Promotes bloom in roses and other flowering plants. Absorbed through the roots and foliage of plant to help plant produce chlorophyll.

Monterey Epsom Salts (Magnesium Sulfate) - 4lb

$16.19

Athena Athena Pro Core - 25 lb Box

Provides baseline nutrition across all stages of plant growth. Nitrogen to assemble chlorophyll and amino acids. Calcium to build structure. Essential microelements to catalyze photosynthesis, enzyme production and a multitude of important plant processes

Athena Pro Core - 25 lb Box

$147.00

Athena Athena Pro Bloom - 10 lb Box

Plants require higher amounts of phosphorous and potassium to increase flower bulk and support high-metabolic activities. Athena Pro Bloom contributes balanced levels macro and micro-elements including sulfur used for increasing potency and flavors.

Athena Pro Bloom - 10 lb Box

$77.00

Athena Athena Balance - Gallon

Simple formula of potassium silicate specifically concentrated to buffer irrigation water and stabilize to ideal pH. Silicon additionally benefits plant growth, stem structure, stress reduction, water usage (osmoregulation), and nutrient utilization.

Athena Balance - Gallon

$31.50

Athena Athena PK - Gallon

This clean liquid booster is designed to supplement during the mid- to late-flowering phase. Athena PK is a low Nitrogen booster that provides additional Phosphorus and Potassium that high-yielding plants require for maximal production.

Athena PK - Gallon

$31.50