Nutrient Additives and Plant Stimulators

Home / Hydroponic & Organic Gardening / Fertilizer and Plant Food / Nutrient Additives and Plant Stimulators
Flex FLEX Liquid H2O2 (34% Hydrogen Peroxide) - 1 Gal
Hydrogen Peroxide (H2O2 34%) is an excellent product for cleaning hydroponic equipment, materials and grow areas. 
Add to cart
FLEX Liquid H2O2 (34% Hydrogen Peroxide) - 1 Gal
$21.99
Plant Success Plant Success Great White Mycorrhizae 4 oz
The endo and ecto mycorrhiza, beneficial bacteria and trichoderma build a microbial system in and on plant roots which enhance water and nutrient uptake. Great White can be used in hydroponics, field agriculture or home gardening. It is best used as a see
Add to cart
Plant Success Great White Mycorrhizae 4 oz
$39.99
Rhizoflora Purpinator 1 Liter
Purpinator is a specialty nutrient additive formulated to deliver increased flavonoid, terpenoid, and resin production in your plants. In addition to these benefits, Purpinator will improve the coloration of plants with purple phenotypes. Much like its pr
Add to cart
Purpinator 1 Liter
$28.48
General Hydroponics GH Koolbloom 2.2 lb Pouch
Dry KoolBloom by General Hydroponics is a concentrated plant food supplement specifically formulated to promote intense and abundant flowering. It is designed to enhance the production of robust blooms as well as essential oils and fragrance in many flowe
Add to cart
GH Koolbloom 2.2 lb Pouch
$39.27
Real Growers Real Growers Recharge Single Stick Pack
Stronger, healthier plants and roots, in 48 hours or less. Works great in traditional soil and soilless media. All the benefits of compost tea, with none of the mess.
Add to cart
Real Growers Recharge Single Stick Pack
$2.95
Sale
Fish Head Farms Fish Sh!t Organic Soil Conditioner - 500 ML
By introducing a wide variety of beneficial bacteria and microorganisms in to the rhizosphere, Fish Sh!t creates an optimal symbiotic relationship between plant and soil.
Add to cart
Fish Sh!t Organic Soil Conditioner - 500 ML
$75.00
$56.25
Down To Earth Down To Earth Rose and Flower Mix (4-8-4) - 5 lb
Down To Earth Rose & Flower Mix is outstanding for all types of roses, bulbs, flowering shrubs and even onions and garlic. Apply when planting new roses, bulbs and perennials and use throughout the season when new growth appears on existing plants.
Add to cart
Down To Earth Rose and Flower Mix (4-8-4) - 5 lb
$15.99
Plant Success Plant Success Great White Mycorrhizae 1 oz
The endo and ecto mycorrhiza, beneficial bacteria and trichoderma build a microbial system in and on plant roots which enhance water and nutrient uptake. Great White can be used in hydroponics, field agriculture or home gardening. It is best used as a see
Add to cart
Plant Success Great White Mycorrhizae 1 oz
$13.99
Espoma Organic Bio-Tone Starter Plus 4-3-3 Plant Food Plus Mycorrhizae - 4lb
The Ultimate Starter Fertilizer with both Endo & Ecto Mycorrhizae
Add to cart
Espoma Organic Bio-Tone Starter Plus 4-3-3 Plant Food Plus Mycorrhizae - 4lb
$10.99
Gaia Green Gaia Green Power Bloom, 2 kg
Power Bloom is a high phosphate fertilizer specifically formulated to support prolific flowering and fruiting. As a result, Power Bloom is our best fertilizer for root development and for all flowering and fruiting plants.
Add to cart
Gaia Green Power Bloom, 2 kg
$28.99
LOTUS Lotus Pro Series Carboflush - 9 oz
Lotus Pro Series Carboflush is designed to remove excess nutrient buildup stored within plants and medium, and acts as a catalyst for flushing your plants in their final stage of growth, while still providing the necessary components for microbial activit
Add to cart
Lotus Pro Series Carboflush - 9 oz
$15.95
Canna Canna Bio Boost 1L
BioBOOST by BIOCANNA is a natural additive that promotes bigger blooms and stronger flavors in flowers to create a high-quality yield. BioBOOST enhances the rate plants absorb nutrients, and is to be used during the start of the blooming period. BioBOOST
Add to cart
Canna Bio Boost 1L
$105.80
Gaia Green Gaia Green Super Fly Insect Frass 3-1-2 - 1kg
Super Fly Insect Frass is a fertilizer derived from the excreta of black soldier fly larvae. It is a renewable resource produced from pre-consumer food waste fed to fly larvae. Rich in essential nutrients.
Add to cart
Gaia Green Super Fly Insect Frass 3-1-2 - 1kg
$15.49
Down To Earth Down to Earth Granular Humic Acid 5 lb
A highly concentrated source of humic acids ideal for use on fields, turf and vegetable gardens. Derived from the ancient remains of decomposed organic plant materials, humic acids enhance nutrient uptake and stimulate soil microbial life. Naturally occur
Add to cart
Down to Earth Granular Humic Acid 5 lb
$11.89
Guano Company Budswel Liquid Gallon
For strong, multiple blooms in fruiting and flowering plants. A high phosphorous mix of bat and seabird guano plus earthworm castings. Use in soil or hydroponic applications. All organic materials; no synthetics used.
Add to cart
Budswel Liquid Gallon
$51.92
Atami Atami Bloombastic 1.25 L/42.3 oz
The Bloombastic formula contains biological minerals in combination with biological stimulants to create a one of a kind nutrient additive specifically designed for the flowering and ripening of your plants. The unique combination of elements in Blombasti
Add to cart
Atami Bloombastic 1.25 L/42.3 oz
$240.89
Real Growers Real Growers Grow Dots 75gram
Programmed release over the first 6 weeks of your grow cycle. High Nitrogen, for strong, vegetative growth. Phosphorus and Potassium, for stronger, healthier plant roots.
Add to cart
Real Growers Grow Dots 75gram
$7.96
Power Si Bloom- 500 ml
Power Si is a specialized quality enhancing flowering additive with bioavailable silica.  
Add to cart
Power Si Bloom- 500 ml
$75.00
PRO-MIX PRO-MIX Organic Seed Starting Mix with MYCOACTIVE - 16qt
Formulated with quality approved-organic ingredients. Contains an organic fertilizer that gradually feeds plants. Provides easy plant-care for improved seedling performance. Ideal for germinating vegetables, flowers, herb seeds, as well as starting stems
Add to cart
PRO-MIX Organic Seed Starting Mix with MYCOACTIVE - 16qt
$13.99
Earth Juice Earth Juice Hi-Brix Molasses - Gal
72% Brix. Pure premium-grade unsulfured sugar cane molasses. A natural source of carbohydrates (sugars) and plant nutrients. For indoor & outdoor plants in soil or hydroponics. Highly recommended for brewing plant tea
Add to cart
Earth Juice Hi-Brix Molasses - Gal
$24.49
Earth Juice Earth Juice Hi-Brix Molasses - Qt
72% Brix. Pure premium-grade unsulfured sugar cane molasses. A natural source of carbohydrates (sugars) and plant nutrients. For indoor & outdoor plants in soil or hydroponics. Highly recommended for brewing plant tea
Add to cart
Earth Juice Hi-Brix Molasses - Qt
$13.99
Canna Canna CalMag Agent 5L
CANNA CALMAG AGENT is a calcium and magnesium mineral nutrient designed to improve water quality for calcium sensitive systems, such as when using reverse osmosis water with a coco medium. Our CANNA CALMAG AGENT increases water hardness, without disruptin
Add to cart
Canna CalMag Agent 5L
$71.22
Canna Canna CalMag Agent 1L
CANNA CALMAG AGENT is a calcium and magnesium mineral nutrient designed to improve water quality for calcium sensitive systems, such as when using reverse osmosis water with a coco medium. Our CANNA CALMAG AGENT increases water hardness, without disruptin
Add to cart
Canna CalMag Agent 1L
$19.01
Nectar For The Gods Nectar For The Gods One Shot 4 lb
One Shot is a soil amendment for super soil style gardening. One Shot is a blend of natural ingredients that are ground into fine powders and held together with a molasses binder in small pellets. The molasses activates and encourages microbial activity i
Add to cart
Nectar For The Gods One Shot 4 lb
$24.99