Company:
Grand Hydro Solutions
Rating
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Plant Supplements & Additives

Out of stock
10 days
HGC724007
Keep your nutrient solution in the sweet spot with Emerald Harvest pH Up. A pH reading below 5.5 is considered too acidic for most hydroponic gardens. This premium pH alkalizer allows you to raise the pH of your nutrient solution. Use pH Up as needed for guaranteed professional results.
$2211
Out of stock
10 days
HGC723963
The beneficial bacteria in this microbial inoculant colonize the rhizosphere of your crops. While soil gardens naturally contain myriad microbes that enhance root vigor and boost nutrient uptake, Root Wizard supplies your soilless garden, which otherwise lacks this microbial life, with bacteria crucial to root function. Designed to increase the bioactivity that bulks up root mass, the plant-symbiotic microorganisms in Root Wizard help break down organic matter into bioavailable nutrients, so your plants absorb and assimilate more of what they need from plant food for growth, maintenance and flowering.
$47114
Out of stock
10 days
HGC723965
The beneficial bacteria in this microbial inoculant colonize the rhizosphere of your crops. While soil gardens naturally contain myriad microbes that enhance root vigor and boost nutrient uptake, Root Wizard supplies your soilless garden, which otherwise lacks this microbial life, with bacteria crucial to root function. Designed to increase the bioactivity that bulks up root mass, the plant-symbiotic microorganisms in Root Wizard help break down organic matter into bioavailable nutrients, so your plants absorb and assimilate more of what they need from plant food for growth, maintenance and flowering.
$47114
Out of stock
10 days
HGC723864
The beneficial bacteria in this microbial inoculant colonize the rhizosphere of your crops. While soil gardens naturally contain myriad microbes that enhance root vigor and boost nutrient uptake, Root Wizard supplies your soilless garden, which otherwise lacks this microbial life, with bacteria crucial to root function. Designed to increase the bioactivity that bulks up root mass, the plant-symbiotic microorganisms in Root Wizard help break down organic matter into bioavailable nutrients, so your plants absorb and assimilate more of what they need from plant food for growth, maintenance and flowering.
$47114
Out of stock
10 days
HGC723972
The beneficial bacteria in this microbial inoculant colonize the rhizosphere of your crops. While soil gardens naturally contain myriad microbes that enhance root vigor and boost nutrient uptake, Root Wizard supplies your soilless garden, which otherwise lacks this microbial life, with bacteria crucial to root function. Designed to increase the bioactivity that bulks up root mass, the plant-symbiotic microorganisms in Root Wizard help break down organic matter into bioavailable nutrients, so your plants absorb and assimilate more of what they need from plant food for growth, maintenance and flowering.
$76975
Out of stock
10 days
HGC723973
The beneficial bacteria in this microbial inoculant colonize the rhizosphere of your crops. While soil gardens naturally contain myriad microbes that enhance root vigor and boost nutrient uptake, Root Wizard supplies your soilless garden, which otherwise lacks this microbial life, with bacteria crucial to root function. Designed to increase the bioactivity that bulks up root mass, the plant-symbiotic microorganisms in Root Wizard help break down organic matter into bioavailable nutrients, so your plants absorb and assimilate more of what they need from plant food for growth, maintenance and flowering.
$76975
Out of stock
10 days
HGC723865
The beneficial bacteria in this microbial inoculant colonize the rhizosphere of your crops. While soil gardens naturally contain myriad microbes that enhance root vigor and boost nutrient uptake, Root Wizard supplies your soilless garden, which otherwise lacks this microbial life, with bacteria crucial to root function. Designed to increase the bioactivity that bulks up root mass, the plant-symbiotic microorganisms in Root Wizard help break down organic matter into bioavailable nutrients, so your plants absorb and assimilate more of what they need from plant food for growth, maintenance and flowering.
$76975
Out of stock
10 days
HGC723970
The beneficial bacteria in this microbial inoculant colonize the rhizosphere of your crops. While soil gardens naturally contain myriad microbes that enhance root vigor and boost nutrient uptake, Root Wizard supplies your soilless garden, which otherwise lacks this microbial life, with bacteria crucial to root function. Designed to increase the bioactivity that bulks up root mass, the plant-symbiotic microorganisms in Root Wizard help break down organic matter into bioavailable nutrients, so your plants absorb and assimilate more of what they need from plant food for growth, maintenance and flowering.
$24297
Out of stock
10 days
HGC723971
The beneficial bacteria in this microbial inoculant colonize the rhizosphere of your crops. While soil gardens naturally contain myriad microbes that enhance root vigor and boost nutrient uptake, Root Wizard supplies your soilless garden, which otherwise lacks this microbial life, with bacteria crucial to root function. Designed to increase the bioactivity that bulks up root mass, the plant-symbiotic microorganisms in Root Wizard help break down organic matter into bioavailable nutrients, so your plants absorb and assimilate more of what they need from plant food for growth, maintenance and flowering.
$24297
Out of stock
10 days
HGC723863
The beneficial bacteria in this microbial inoculant colonize the rhizosphere of your crops. While soil gardens naturally contain myriad microbes that enhance root vigor and boost nutrient uptake, Root Wizard supplies your soilless garden, which otherwise lacks this microbial life, with bacteria crucial to root function. Designed to increase the bioactivity that bulks up root mass, the plant-symbiotic microorganisms in Root Wizard help break down organic matter into bioavailable nutrients, so your plants absorb and assimilate more of what they need from plant food for growth, maintenance and flowering.
$24297
Out of stock
10 days
HGC723861
The beneficial bacteria in this microbial inoculant colonize the rhizosphere of your crops. While soil gardens naturally contain myriad microbes that enhance root vigor and boost nutrient uptake, Root Wizard supplies your soilless garden, which otherwise lacks this microbial life, with bacteria crucial to root function. Designed to increase the bioactivity that bulks up root mass, the plant-symbiotic microorganisms in Root Wizard help break down organic matter into bioavailable nutrients, so your plants absorb and assimilate more of what they need from plant food for growth, maintenance and flowering.
$8590
Out of stock
10 days
HGC723961
Build up your plant cell walls and encourage productivity with Sturdy Stalk, a potassium silicate supplement from Emerald Harvest. Sturdy Stalk's key ingredientsilicafortifies your plants and enriches the internal structures needed to support top-heavy plants laden with flowers and fruits. Since it strengthens cells, silica helps plants withstand environmental and other stressors so that they spend more of their energy creating blooms and buds. The other main ingredient in Sturdy Stalk, potassium, helps your plants get the most benefit from photosynthesis, no matter the light or cultivation location.
$18406
Out of stock
10 days
HGC723964
Build up your plant cell walls and encourage productivity with Sturdy Stalk, a potassium silicate supplement from Emerald Harvest. Sturdy Stalk's key ingredientsilicafortifies your plants and enriches the internal structures needed to support top-heavy plants laden with flowers and fruits. Since it strengthens cells, silica helps plants withstand environmental and other stressors so that they spend more of their energy creating blooms and buds. The other main ingredient in Sturdy Stalk, potassium, helps your plants get the most benefit from photosynthesis, no matter the light or cultivation location.
$39839
Out of stock
10 days
HGC723962
Build up your plant cell walls and encourage productivity with Sturdy Stalk, a potassium silicate supplement from Emerald Harvest. Sturdy Stalk's key ingredientsilicafortifies your plants and enriches the internal structures needed to support top-heavy plants laden with flowers and fruits. Since it strengthens cells, silica helps plants withstand environmental and other stressors so that they spend more of their energy creating blooms and buds. The other main ingredient in Sturdy Stalk, potassium, helps your plants get the most benefit from photosynthesis, no matter the light or cultivation location.
$9572
Out of stock
10 days
HGC719655
One of the most potent liquid PK boosts on the market. 50% stronger than the most popular brand yet it costs the same! Increases mass and stimulates resinous oil and fragrance production in many culinary and medicinal herbs. Plus a healthy dose of vitamin B1 to help relieve stress caused by high-performance bloom regimens. Works well with all nutrient lines.
$8643
Out of stock
10 days
HGC719650
One of the most potent liquid PK boosts on the market. 50% stronger than the most popular brand yet it costs the same! Increases mass and stimulates resinous oil and fragrance production in many culinary and medicinal herbs. Plus a healthy dose of vitamin B1 to help relieve stress caused by high-performance bloom regimens. Works well with all nutrient lines.
$2935
Out of stock
10 days
HGC719669
G10 (Gravitation #10) started as a substitute for Gravity but turned into something else. It's not Gravityit's something more! Increases the size and mass of flowers. Seeing is believing! For even more drastic results, prime the pump with Deep Breath in veg and the first 2 weeks of bloom, then switch to G10 in the 3rd week for a powerful finish. For maximum Gravity effect use with Sonic Bloom and Killer Tea. No PGRs.
$44704
Out of stock
10 days
HGC719671
G10 (Gravitation #10) started as a substitute for Gravity but turned into something else. It's not Gravityit's something more! Increases the size and mass of flowers. Seeing is believing! For even more drastic results, prime the pump with Deep Breath in veg and the first 2 weeks of bloom, then switch to G10 in the 3rd week for a powerful finish. For maximum Gravity effect use with Sonic Bloom and Killer Tea. No PGRs.
$72249
Out of stock
10 days
HGC719667
G10 (Gravitation #10) started as a substitute for Gravity but turned into something else. It's not Gravityit's something more! Increases the size and mass of flowers. Seeing is believing! For even more drastic results, prime the pump with Deep Breath in veg and the first 2 weeks of bloom, then switch to G10 in the 3rd week for a powerful finish. For maximum Gravity effect use with Sonic Bloom and Killer Tea. No PGRs.
$19868
Out of stock
10 days
HGC719665
G10 (Gravitation #10) started as a substitute for Gravity but turned into something else. It's not Gravityit's something more! Increases the size and mass of flowers. Seeing is believing! For even more drastic results, prime the pump with Deep Breath in veg and the first 2 weeks of bloom, then switch to G10 in the 3rd week for a powerful finish. For maximum Gravity effect use with Sonic Bloom and Killer Tea. No PGRs.
$7094
Out of stock
10 days
HGC719917
The name says it all. Purple Maxx is unique in the industry. Get the color you want when it's time to harvest. don't wait and hope. This amino acid-based cocktail intensifies final color in susceptible varieties. Stimulates fragrance, resin and crystal production. Many new varieties respond very strongly and reliably to Purple Maxx. Can be used as a foliar.
$72571
Out of stock
10 days
HGC719915
The name says it all. Purple Maxx is unique in the industry. Get the color you want when it's time to harvest. don't wait and hope. This amino acid-based cocktail intensifies final color in susceptible varieties. Stimulates fragrance, resin and crystal production. Many new varieties respond very strongly and reliably to Purple Maxx. Can be used as a foliar.
$24393
Out of stock
10 days
HGC719910
The name says it all. Purple Maxx is unique in the industry. Get the color you want when it's time to harvest. don't wait and hope. This amino acid-based cocktail intensifies final color in susceptible varieties. Stimulates fragrance, resin and crystal production. Many new varieties respond very strongly and reliably to Purple Maxx. Can be used as a foliar.
$8293
Out of stock
10 days
HGC719948
The name says it all. With an amino acid profile that is unique in the industry, Snow Storm Ultra consistently produces intense resin, fragrance and flavor, plus the well known frosted look that growers love. Get the frosted look even on the leaves. No product on the market is more effective. This is not some carbohydrate or sugar water product. This is the real deal from old school Humboldt County. What the pros use.
$32557
Out of stock
10 days
HGC719946
The name says it all. With an amino acid profile that is unique in the industry, Snow Storm Ultra consistently produces intense resin, fragrance and flavor, plus the well known frosted look that growers love. Get the frosted look even on the leaves. No product on the market is more effective. This is not some carbohydrate or sugar water product. This is the real deal from old school Humboldt County. What the pros use.
$16280
Out of stock
10 days
HGC719955
Sonic Bloom (Sunshine Powder) contains 20 times the vitamin B1 of other popular boosts, plus heavy doses of B2, B3 and B6 that put this product in its own class. Increases the size and mass of flowers and stimulates resinous oil and fragrance production in many culinary and medicinal herbs. Use with G10 and Killer Tea to induce the Gravity Effect.
$16828
In stock
10 days
HGC723693
$2969
In stock
10 days
HGC723692
In stock
10 days
HGC732535
KoolBloom® is a highly concentrated nutrient supplement that promotes abundant flowering and facilitates ripening in annual flowers and herbs. KoolBloom® is rich with phosphorus and potassium and contains precise amounts of ripening elements. KoolBloom® is to be used only at the very end of a plant's life cycle and will help build larger, heavier fruits and flowers.
$13806
In stock
10 days
HGC732531
KoolBloom® is a highly concentrated nutrient supplement that promotes abundant flowering and facilitates ripening in annual flowers and herbs. KoolBloom® is rich with phosphorus and potassium and contains precise amounts of ripening elements. KoolBloom® is to be used only at the very end of a plant's life cycle and will help build larger, heavier fruits and flowers.
$2115
In stock
10 days
HGC732542
Liquid KoolBloom® is a bulking agent that goes way beyond other bloom boosters. Enriched with stress-reducing vitamins and nutrient-transporting acids, it promotes heavy production of essential oils, fantastic flavors and increases fruiting and flower development. Liquid KoolBloom® should be used at the start of the reproductive cycle, initiating larger, heavier fruits and flowers. During the last two weeks, use Dry KoolBloom® for an additional bloom boost and to facilitate ripening.
$47566
In stock
10 days
HGC732539
Liquid KoolBloom® is a bulking agent that goes way beyond other bloom boosters. Enriched with stress-reducing vitamins and nutrient-transporting acids, it promotes heavy production of essential oils, fantastic flavors and increases fruiting and flower development. Liquid KoolBloom® should be used at the start of the reproductive cycle, initiating larger, heavier fruits and flowers. During the last two weeks, use Dry KoolBloom® for an additional bloom boost and to facilitate ripening.
$10277
In stock
10 days
HGC732544
Liquid KoolBloom® is a bulking agent that goes way beyond other bloom boosters. Enriched with stress-reducing vitamins and nutrient-transporting acids, it promotes heavy production of essential oils, fantastic flavors and increases fruiting and flower development. Liquid KoolBloom® should be used at the start of the reproductive cycle, initiating larger, heavier fruits and flowers. During the last two weeks, use Dry KoolBloom® for an additional bloom boost and to facilitate ripening.
$7,34482
In stock
10 days
HGC732543
Liquid KoolBloom® is a bulking agent that goes way beyond other bloom boosters. Enriched with stress-reducing vitamins and nutrient-transporting acids, it promotes heavy production of essential oils, fantastic flavors and increases fruiting and flower development. Liquid KoolBloom® should be used at the start of the reproductive cycle, initiating larger, heavier fruits and flowers. During the last two weeks, use Dry KoolBloom® for an additional bloom boost and to facilitate ripening.
$1,72890
In stock
10 days
HGC732541
Liquid KoolBloom® is a bulking agent that goes way beyond other bloom boosters. Enriched with stress-reducing vitamins and nutrient-transporting acids, it promotes heavy production of essential oils, fantastic flavors and increases fruiting and flower development. Liquid KoolBloom® should be used at the start of the reproductive cycle, initiating larger, heavier fruits and flowers. During the last two weeks, use Dry KoolBloom® for an additional bloom boost and to facilitate ripening.
$20996
In stock
10 days
HGC732538
Liquid KoolBloom® is a bulking agent that goes way beyond other bloom boosters. Enriched with stress-reducing vitamins and nutrient-transporting acids, it promotes heavy production of essential oils, fantastic flavors and increases fruiting and flower development. Liquid KoolBloom® should be used at the start of the reproductive cycle, initiating larger, heavier fruits and flowers. During the last two weeks, use Dry KoolBloom® for an additional bloom boost and to facilitate ripening.
$4796
In stock
10 days
HGC732537
Liquid KoolBloom® is a bulking agent that goes way beyond other bloom boosters. Enriched with stress-reducing vitamins and nutrient-transporting acids, it promotes heavy production of essential oils, fantastic flavors and increases fruiting and flower development. Liquid KoolBloom® should be used at the start of the reproductive cycle, initiating larger, heavier fruits and flowers. During the last two weeks, use Dry KoolBloom® for an additional bloom boost and to facilitate ripening.
$1649
Out of stock
10 days
HGC749627
House & Garden Shooting Powder® contains pH balanced levels of premium grade proprietary ingredients including potassium and phosphorus to enhance yields.
$11572
In stock
10 days
HGC726013
Clonex® Clone Solution is a clone-specific nutrient formulated using a special blend of minerals and other helpful ingredients. Used with Clonex® gel and other rooting agents, Clonex® Clone Solution assists in the cloning process while helping to minimize stress. Clonex® Clone Solution can be applied to the rooting medium and sprayed over the young clones.
$12958
In stock
10 days
HGC726022
Clonex® Clone Solution is a clone-specific nutrient formulated using a special blend of minerals and other helpful ingredients. Used with Clonex® gel and other rooting agents, Clonex® Clone Solution assists in the cloning process while helping to minimize stress. Clonex® Clone Solution can be applied to the rooting medium and sprayed over the young clones.
In stock
10 days
HGC726014
Clonex® Clone Solution is a clone-specific nutrient formulated using a special blend of minerals and other helpful ingredients. Used with Clonex® gel and other rooting agents, Clonex® Clone Solution assists in the cloning process while helping to minimize stress. Clonex® Clone Solution can be applied to the rooting medium and sprayed over the young clones.
$21943
In stock
10 days
HGC726016
Clonex® Clone Solution is a clone-specific nutrient formulated using a special blend of minerals and other helpful ingredients. Used with Clonex® gel and other rooting agents, Clonex® Clone Solution assists in the cloning process while helping to minimize stress. Clonex® Clone Solution can be applied to the rooting medium and sprayed over the young clones.
$2,33328
In stock
10 days
HGC726012
Clonex® Clone Solution is a clone-specific nutrient formulated using a special blend of minerals and other helpful ingredients. Used with Clonex® gel and other rooting agents, Clonex® Clone Solution assists in the cloning process while helping to minimize stress. Clonex® Clone Solution can be applied to the rooting medium and sprayed over the young clones.
$5645
In stock
10 days
HGC726011
Clonex® Clone Solution is a clone-specific nutrient formulated using a special blend of minerals and other helpful ingredients. Used with Clonex® gel and other rooting agents, Clonex® Clone Solution assists in the cloning process while helping to minimize stress. Clonex® Clone Solution can be applied to the rooting medium and sprayed over the young clones.
$2118
In stock
10 days
HGC726005
Clonex® is a high performance, water-based, rooting compound. It is a tenacious gel which will remain in contact around the stem, sealing the cut tissue and supplying the hormones needed to promote root cell development and vitamins to protect the delicate new root tissue. Clonex® has a full spectrum of mineral nutrients and trace elements to nourish the young roots during their important formative stages. Our scientific breakthrough puts Clonex® Rooting Gel years ahead of manufacturers of old fashioned hormones and powders.
$1972
In stock
10 days
HGC726010
Clonex® is a high performance, water-based, rooting compound. It is a tenacious gel which will remain in contact around the stem, sealing the cut tissue and supplying the hormones needed to promote root cell development and vitamins to protect the delicate new root tissue. Clonex® has a full spectrum of mineral nutrients and trace elements to nourish the young roots during their important formative stages. Our scientific breakthrough puts Clonex® Rooting Gel years ahead of manufacturers of old fashioned hormones and powders.
$3807
In stock
10 days
HGC726008
Clonex® is a high performance, water-based, rooting compound. It is a tenacious gel which will remain in contact around the stem, sealing the cut tissue and supplying the hormones needed to promote root cell development and vitamins to protect the delicate new root tissue. Clonex® has a full spectrum of mineral nutrients and trace elements to nourish the young roots during their important formative stages. Our scientific breakthrough puts Clonex® Rooting Gel years ahead of manufacturers of old fashioned hormones and powders.
$45099
In stock
10 days
HGC726004
Clonex® is a high performance, water-based, rooting compound. It is a tenacious gel which will remain in contact around the stem, sealing the cut tissue and supplying the hormones needed to promote root cell development and vitamins to protect the delicate new root tissue. Clonex® has a full spectrum of mineral nutrients and trace elements to nourish the young roots during their important formative stages. Our scientific breakthrough puts Clonex® Rooting Gel years ahead of manufacturers of old fashioned hormones and powders.
In stock
10 days
HGC726006
Clonex® is a high performance, water-based, rooting compound. It is a tenacious gel which will remain in contact around the stem, sealing the cut tissue and supplying the hormones needed to promote root cell development and vitamins to protect the delicate new root tissue. Clonex® has a full spectrum of mineral nutrients and trace elements to nourish the young roots during their important formative stages. Our scientific breakthrough puts Clonex® Rooting Gel years ahead of manufacturers of old fashioned hormones and powders.
$6775
In stock
10 days
HGC726007
Clonex® is a high performance, water-based, rooting compound. It is a tenacious gel which will remain in contact around the stem, sealing the cut tissue and supplying the hormones needed to promote root cell development and vitamins to protect the delicate new root tissue. Clonex® has a full spectrum of mineral nutrients and trace elements to nourish the young roots during their important formative stages. Our scientific breakthrough puts Clonex® Rooting Gel years ahead of manufacturers of old fashioned hormones and powders.
$12704