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Optimize Organics' Potassium Sulfate Solution Grade: 52% potash, 18% sulfate. Water-soluble, low-salinity fertilizer for high-potassium crops.
2KG Bag of Optimize Organics' Potassium Sulfate Solution Grade: 52% potash, 18% sulfate. Water-soluble, low-salinity fertilizer for high-potassium crops.
Potassium Sulfate Solution Grade
from $15.00
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Optimize Organics' Potassium Sulfate Solution Grade: 52% potash, 18% sulfate. Water-soluble, low-salinity fertilizer for high-potassium crops.
Potassium Sulfate Solution Grade 1050Kg
Potassium Sulfate Solution Grade 1050Kg
$3,197.00
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PRESTOP BIOLOGICAL FUNGICIDE
from $169.00
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A bag of Optimize Organics Protozoan Infusion Blend with images of protozoa on the front
Protozoan Infusion Blend 2-0-2
from $25.00
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Close-up of screened horticultural pumice—light, airy texture perfect for soil drainage and long-term aeration.
Hand holding pumice stone—porous and lightweight, ideal for mixing into soil to boost airflow and prevent overwatering.
Pumice Stone (3-12mm)
from $12.00
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“Close-up of pumice fines texture, porous volcanic particles used in soil mixes to enhance drainage and aeration
Hand holding pumice fines to show texture and size, lightweight volcanic soil amendment for improved plant drainage and root health
Pumice Stone Fines (0-4mm)
from $12.00
Currently Unavailable
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Purple Barley Seed - Sprout For Enzyme Drench
Purple Barley Seed - Sprout For Enzyme Drench
$16.00
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Optimize Organics' Red Lava Rock – lightweight, porous volcanic rock for aeration, drainage, and moisture retention.
Red lava rock held in a hand to show the size.
Red Lava Rock (9-15mm)
from $11.00
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Regenerative Centrifugal Ring Blower
Regenerative Centrifugal Ring Blower
from $1,289.00
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Reusable Compost Tea Bags | 4 Sizes
Reusable Compost Tea Bags | 4 Sizes
from $29.00
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White container of Optimize Organics Rhizobiome Bloom Phase 1 Liltre
RHIZOBIOME BLOOM PHASE - Bacillus Amyloliquefaciens
from $49.00
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White bottle of Optimize Organics Rhizobiome Growth Phase 1 Litre showig gren gram negative bacteria
RHIZOBIOME GROWTH PHASE - Bacillus Subtilis & Licheniformis
from $49.00
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White bottle of Optimize Organics Rhizobiome Transition 1 Litre
RHIZOBIOME TRANSITION - Bacillus Licheniformis + Bacillus Amyloliquefaciens
from $49.00
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Rhyzobius Lophanthae - Predatory Beetle
Rhyzobius Lophanthae - Predatory Beetle
$269.00
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Optimize Organics' Rock Phosphate Granular 0-7-0: slow-release phosphorus for root growth, flowering & fruiting. Easy application & organic-certified.
2KG Bag of Optimize Organics' Rock Phosphate Granular 0-7-0: slow-release phosphorus for root growth, flowering & fruiting. Easy application & organic-certified.
Rock Phosphate Granular 0-7-0
from $11.00
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Optimize Organics' Rock Phosphate Granular 0-7-0: slow-release phosphorus for root growth, flowering & fruiting. Easy application & organic-certified.
Rock Phosphate Granular 0-7-0 1000Kg
Rock Phosphate Granular 0-7-0 1000Kg
$1,589.00
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RollerTrap - Blue Sticky Tape
RollerTrap - Blue Sticky Tape
from $49.00
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RollerTrap - Yellow Sticky Tape
RollerTrap - Yellow Sticky Tape
from $20.00
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40L Bag of Optimize Organics Seed Starting Mix - Promotes strong germination, healthy roots, and vigorous seedlings in trays, pots, or flats.
Photo of Seed Starting MIx
Seed Starting Mix
from $14.00
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SHUTTLE 1000L DEPOSIT/RETURN (MUST BE TRIPLE RINSED)
$250.00
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4L Small Chunk Biochar 2–6mm – Boost soil structure and microbial life in gardens, beds, and potting mixes
Small Biochar (2-6mm)
from $13.00
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Small Douglas Fir bark chips from Optimize Organics are ideal for orchids, tropical mixes, potted plants, gardens, and mulching. Douglas Fir bark aerates soil, provides drainage, and lasts for years. These bark chips have been heat-treated and graded to the highest quality standards.
A hand full of Small Douglas Fir bark chips from Optimize Organics.
Small Douglas Fir Bark
from $13.00
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Optimize Organics' Small Orchiata Orchid Bark: premium, long-lasting substrate with beneficial microbes for healthy orchids and potting mixes.
8L bag of Optimize Organics' Small Orchiata Orchid Bark: premium, long-lasting substrate with beneficial microbes for healthy orchids and potting mixes.
Small Orchiata (6–9mm)
from $18.00
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Soy Amino Acid Complex 16-0-0
from $19.00
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Close-Up of Sphagnum Peat Moss – Fine, absorbent organic peat moss for soil mixes and consistent moisture levels
4L Sphagnum Peat Moss – Organic moisture-retentive base for seed starting, soil mixes, and potted plants
Sphagnum Peat Moss (Canadian)
from $10.00
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SPICAL PLUS - Slow Release Paper Sachets
SPICAL PLUS - Slow Release Paper Sachets
from $88.13
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SPICAL ULTI-MITE - Slow Release Foil Sachets
SPICAL ULTI-MITE - Slow Release Foil Sachets
from $97.00
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Spidex Boost sachet from Optimize Organics – quick-release predatory mites for spider mite control. Clean carrier, ideal for flowering crops.
SPIDEX BOOST - Quick Release Phytoseiulus Persimilis
SPIDEX BOOST - Quick Release Phytoseiulus Persimilis
$241.00
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10,000-count SPIDEX RED bottle with predatory mites for fast spider mite control (Phytoseiulus persimilis)
Close-up photo of the mite.
SPIDEX RED – Rapid Response Spider Mite Control
$90.00
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SPIDEX VITAL GO - Ultimate Multi-Hotspot Performer Sachets
SPIDEX VITAL GO - Ultimate Multi-Hotspot Performer Sachets
$135.00
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SPIDEX VITAL PLUS - Slow Release Sachets
SPIDEX VITAL PLUS - Slow Release Sachets
from $99.00
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SPIDEX VITAL 10,000-count bottle with Phytoseiulus persimilis in sawdust carrier from Optimize Organics for spider mite control.
SPIDEX VITAL – Preventative + Light Curative Control
SPIDEX VITAL – Preventative + Light Curative Control
from $35.00
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SQUARE POT & SAUCER COMBO - 7 Sizes Available
SQUARE POT & SAUCER COMBO - 7 Sizes Available
from $4.00
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Steinernema Carpocapsae - Predatory Nematode
Steinernema Carpocapsae - Predatory Nematode
from $46.00
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Steinernema Feltiae - Predatory Nematode
Steinernema Feltiae - Predatory Nematode
from $46.00
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Stratiolaelaps Scimitus - Predatory Soil Mite
Stratiolaelaps Scimitus - Predatory Soil Mite
from $26.00
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Close-up of Sul-Po-Mag langbeinite crystals – naturally mined potassium, magnesium and sulfur mineral fertilizer
1kg bag of Sul-Po-Mag langbeinite crystals – chloride-free potassium, magnesium and sulfur fertilizer, approved for organic use
Sul-Po-Mag (Langbeinite) Crystals
from $15.00
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Sul-Po-Mag (Langbeinite) Granules
Sul-Po-Mag (Langbeinite) Granules
from $11.00
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Optimize Organics' Sulfur Granules 90%: elemental sulfur to lower soil pH, correct alkaline soils & support sulfur-oxidizing bacteria. Organic-certified.
2KG Bag of Optimize Organics' Sulfur Granules 90%: elemental sulfur to lower soil pH, correct alkaline soils & support sulfur-oxidizing bacteria. Organic-certified.
Sulfur Granules 90% (S)
from $12.00
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Optimize Organics' Sulfur Granules 90%: elemental sulfur to lower soil pH, correct alkaline soils & support sulfur-oxidizing bacteria. Organic-certified.
Sulfur Granules 90% (S) 1000KG
$1,049.00
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Swirski/Spical Ulti-Mite Combo Pack (50 sachets)
Swirski/Spical Ulti-Mite Combo Pack (50 sachets)
$77.00
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TALL SQUARE POT - 1 GAL
TALL SQUARE POT - 1 GAL
$2.29
Currently Unavailable
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TALL SQUARE POT - 2 GAL
$5.89
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TALL SQUARE POT - 3 GAL
$6.99
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Titan Controls® CO2 Regulator
Titan Controls® CO2 Regulator
$129.00
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Titanium Precision Pruner - Straight Blade
Titanium Precision Pruner - Straight Blade
$18.00
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Tomato Clips (Heavy Duty)
Tomato Clips (Heavy Duty)
from $2.00
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1L Bottle of Optimize Organics' Triacontanol - enhances photosynthesis, nutrient uptake, and plant vigor for increased yields.
Triacontanol Back Label
Triacontanol - Plant Growth Regulator
from $39.00