Collection
General Hydroponics GH RapidStart 275 ml (12/Cs)
RapidStart® is a plant nutrient used to promote root growth while enhancing plant vigor and yield. Strong root networks are linked to larger, more vigorous plants. RapidStart® helps plants develop strong root networks. It can be used throughout the vegeta
$58.63
$35.18
General Hydroponics GH General Organics BioWeed 6 Gallon
$406.06
$243.64
Xtreme Gardening Xtreme Gardening Azos 8 lb (2/Cs)
Azos is a beneficial microbe that sparks new root development and boosts growth. Azos works by rapidly increasing plant production of IAA (indole-3 acetic acid)–a natural plant hormone, affecting cell division, growth rates and plant and root development.
$396.11
Xtreme Gardening Xtreme Gardening Mykos WP 2.2 lb (6/Cs)
Mykos Wettable Powder is for use on established plants. Simply mix with water and apply around the base of each plant. Also great for use in hydroponic reservoirs. Mykos is very specific species of Mycorrhizae that works faster and stronger. If you haven'
$68.82
$41.29
Xtreme Gardening Xtreme Gardening Mykos WP 12 oz (12/Cs)
Mykos Wettable Powder is for use on established plants. Simply mix with water and apply around the base of each plant. Also great for use in hydroponic reservoirs. Mykos is very specific species of Mycorrhizae that works faster and stronger. If you haven'
$29.45
$17.67
Xtreme Gardening Xtreme Gardening Mykos 20 lb (2/Cs)
Mykos is very specific species of Mycorrhizae that works faster and stronger. If you haven't heard of mycorrhizae, it's a microbe that builds root mass and increases plant uptake of nutrients and water. With more roots, you get more fruits. Mykos grows th
$224.96
$134.98
Vermicrop VermiFire 1.5 cu ft (55/Plt)
VermiFire doesn't follow trends, it starts them. VermiFire performs above and beyond the call of duty; it is a potting soil that over achieves at every opportunity. We took our proven formula of VermiSoil and added extremely high levels of specific nutrie
$21.04
House & Garden House and Garden Algen Extract 500 ml (8/Cs)
House & Garden Algen® Extract is a premium Norwegian sea kelp blend derived by way of cold-press technology, which helps preserve its quality.
$60.17
$36.10
House & Garden House and Garden Algen Extract 250 ml (16/Cs)
House & Garden Algen® Extract is a premium Norwegian sea kelp blend derived by way of cold-press technology, which helps preserve its quality.
$36.71
$22.03
House & Garden House and Garden Top Shooter 500 ml (8/Cs)
House & Garden Top Shooter® is the liquid version of Shooting Powder for growers that prefer liquids to powders.
$134.94
$80.96
House & Garden House and Garden Top Shooter 250 ml (16/Cs)
House & Garden Top Shooter® is the liquid version of Shooting Powder for growers that prefer liquids to powders.
$71.39
$42.83
House & Garden House and Garden Top Booster 5 Liter (4/Cs)
House & Garden Top Booster® provides nutrients needed for ripening and helps set the stage for Bud-XL® and Shooting Powder.
$115.66
$69.40
House & Garden House and Garden Top Booster 1 Liter (12/Cs)
House & Garden Top Booster® provides nutrients needed for ripening and helps set the stage for Bud-XL® and Shooting Powder.
$34.67
$20.80
House & Garden House and Garden Soil B 1 Liter (12/Cs)
House & Garden Soil® A & B provides balanced nutrition for enriched soils and contains essential nutrients, including a significant amount of calcium.
$19.28
$11.57
House & Garden House and Garden Soil A 1 Liter (12/Cs)
House & Garden Soil® A & B provides balanced nutrition for enriched soils and contains essential nutrients, including a significant amount of calcium.
$19.28
$11.57
General Hydroponics GH General Organics CaMg+ 6 Gallon
CaMg+® is the ideal supplement to provide a natural source of calcium and magnesium, critical elements in a plant's growth cycle. CaMg+® is biologically catalyzed from oyster shell, dolomite lime and natural plant extracts. Through the use of organic comp
$397.30
$238.38
General Hydroponics GH General Organics CaMg+ Gallon (4/Cs)
CaMg+® is the ideal supplement to provide a natural source of calcium and magnesium, critical elements in a plant's growth cycle. CaMg+® is biologically catalyzed from oyster shell, dolomite lime and natural plant extracts. Through the use of organic comp
$77.69
$46.61
General Hydroponics GH General Organics CaMg+ 2.5 Gallon (2/Cs)
CaMg+® is the ideal supplement to provide a natural source of calcium and magnesium, critical elements in a plant's growth cycle. CaMg+® is biologically catalyzed from oyster shell, dolomite lime and natural plant extracts. Through the use of organic comp
$177.18
$106.31
General Hydroponics GH General Organics CaMg+ Quart (12/Cs)
CaMg+® is the ideal supplement to provide a natural source of calcium and magnesium, critical elements in a plant's growth cycle. CaMg+® is biologically catalyzed from oyster shell, dolomite lime and natural plant extracts. Through the use of organic comp
$24.73
$14.84
General Hydroponics GH General Organics BioThrive Bloom 6 Gallon
BioThrive® Bloom provides flowering and fruiting plants with essential nutrients, perfectly balanced for superior blooms and bountiful harvests. Specially designed to maximize flower, fruit and seed production, this unique formulation will give you bigger
$346.76
$208.06
General Hydroponics GH General Organics BioThrive Bloom 2.5 Gallon (2/Cs)
BioThrive® Bloom provides flowering and fruiting plants with essential nutrients, perfectly balanced for superior blooms and bountiful harvests. Specially designed to maximize flower, fruit and seed production, this unique formulation will give you bigger
$143.54
$86.12