Plant Success King Crab – 4 oz

Plant Success King Crab is a liquid microbial inoculant formulated to increase phosphorous availability and root-zone activity during both vegetative and flowering stages. Each milliliter contains 275 million live organisms drawn from 11 bacterial species selected specifically for phosphorous solubilization and micronutrient mobilization. It works in soil and hydroponic systems and is compatible with any fertilizer line, applied at 1/2 mL per gallon of water.

Plant Success King Crab Specifications

The table below summarizes the key specifications for Plant Success King Crab – 4 oz as listed by the supplier. Attributes not stated in manufacturer documentation are marked accordingly.

Specification	Value
Brand	Greener Gardens / Plant Success
Product Name	Plant Success King Crab
Container Size	4 oz (118 mL)
Organism Count	275 million organisms per mL
Bacterial Species	11 species selected for phosphorous solubilization
Application Rate	1/2 mL per 1 gallon of water
Compatible Systems	Soil and hydroponics
Fertilizer Compatibility	Compatible with any fertilizer line
Category	Nutrients & Additives / Additives / Roots

Why Choose Plant Success King Crab

Plant Success King Crab addresses a specific bottleneck in plant nutrition: phosphorous lockout and limited micronutrient uptake. Rather than adding more fertilizer, it introduces beneficial bacteria that unlock what is already present in the growing medium and nutrient solution. Here is what sets it apart:

• High organism density: At 275 million organisms per mL, the inoculant delivers a meaningful microbial population directly to the root zone. A 4 oz bottle provides well over 32 billion total organisms, enough for a sizeable reservoir or multiple individual waterings.
• Targeted bacterial selection: The 11 bacterial species included were chosen specifically for their ability to solubilize phosphorous and mobilize micronutrients — not as a general-purpose probiotic blend but as a focused phosphorous-availability tool.
• Stage-specific benefits: The bacteria support nutrient uptake during vegetative growth and are formulated to contribute to yield increases during the flowering stage, making the product relevant across the full growth cycle.
• Universal compatibility: King Crab works in both soil and hydroponic media and does not require switching or modifying your existing fertilizer program. It layers into any established nutrient line without conflict.
• Liquid concentrate format: The liquid form mixes directly into your watering solution without the pre-soaking or preparation steps associated with some dry microbial inoculants. The 4 oz size covers multiple feeding cycles at the recommended dose.

Best Uses for Plant Success King Crab

King Crab is classified under Nutrients & Additives > Additives > Roots, which reflects its primary role as a root-zone biological supplement rather than a primary nutrient. It is best applied in situations where phosphorous availability is a limiting factor or where root-zone biology needs a boost.

• Hydroponic systems with limited biological activity: Recirculating systems like NFT, deep water culture, and ebb-and-flow typically run sterile nutrient solutions. King Crab introduces phosphorous-solubilizing bacteria that can increase the availability of phosphorous already present in your nutrient mix, without disrupting system chemistry when used at the recommended rate.
• Soil and soilless media grows during transplant: Introducing King Crab at transplant, when saturating the roots directly, gives the bacteria time to establish in the rhizosphere before peak phosphorous demand in flowering. This makes it useful in coco, peat, and amended soil setups.
• Vegetative-stage nutrient uptake support: The bacterial species in King Crab were selected to increase nutrient availability during vegetative growth. Growers running high-input vegetative programs who want to improve uptake efficiency may find it useful as an additive during this phase.
• Flowering-stage yield supplementation: According to the manufacturer, King Crab is formulated to increase yields during the flowering stage. It can be run alongside bloom nutrients in the same feeding solution at the 1/2 mL per gallon rate.
• Root-zone recovery after stress: When plants have experienced environmental stress, root pathogens, or nutrient lockout, re-establishing a healthy microbial population in the root zone can support recovery. King Crab provides a concentrated dose of phosphorous-solubilizing organisms to help re-inoculate a depleted root environment. If you are also working with a dedicated root-support product, King Crab can complement that program as the microbial component.

Plant Success King Crab vs Similar Microbial Inoculants

Microbial inoculants vary considerably in their organism type, density, and intended function. Understanding how King Crab differs from other root-zone biology products helps you choose the right tool for your setup.

Bacteria vs. fungi: Many root-zone inoculants on the market are mycorrhizal fungi products, which colonize root cells and extend the root surface area. King Crab is a bacterial inoculant, not a mycorrhizal product. Its 11 bacterial species work by solubilizing phosphorous in the solution or growing medium — a different mechanism than fungal colonization. Growers who want fungal and bacterial coverage would need both types of products.

Liquid vs. dry inoculants: Dry inoculants like Advanced Nutrients Tarantula and similar products are mixed into water before use and may require pre-activation. King Crab is already in liquid concentrate form, which simplifies measuring and mixing. The trade-off is that liquids generally have shorter shelf lives after opening and require proper storage conditions to maintain organism viability.

Phosphorous focus vs. broad-spectrum: Some microbial blends include dozens of species covering a range of biological functions. King Crab’s 11-species selection is described by the manufacturer as specifically chosen for phosphorous availability and plant performance — a narrower scope that may be an advantage if phosphorous utilization is your primary concern, or a limitation if you want broader root-zone biological support.

For growers interested in complementing King Crab with a broad-spectrum plant health product, PureCrop1 is a biologically derived surfactant and crop protection product that works alongside microbial additives in most feeding programs.

Compatibility

Plant Success King Crab is formulated for use in both soil and hydroponic growing systems. The manufacturer states it is compatible with any fertilizer line, which means it can be added to your existing nutrient solution without needing to reformulate your base program.

Growing media: Suitable for soil, amended soilless mixes (coco, peat-based), and recirculating or run-to-waste hydroponic systems. Root saturation is the delivery method regardless of medium type.

Fertilizer lines: Compatible with single-part, two-part, and multi-part nutrient systems. Because it is a biological additive rather than a chemical nutrient, it does not interact directly with NPK ratios or EC targets in the way that macro-nutrient supplements do. However, as with all microbial products, avoid mixing King Crab directly with hydrogen peroxide, chlorine-based sterilants, or other agents that can kill live bacteria. Add it to your tank after any such products have dissipated.

Application timing: King Crab can be used throughout the vegetative and flowering stages. The manufacturer does not specify a final-week flush requirement, but growers using a flush protocol such as a dedicated clearing agent should follow that product’s guidelines for timing relative to additives.

Storage: As a live microbial product, King Crab should be stored away from heat and direct sunlight. Refrigeration after opening is recommended by most microbial supplement manufacturers to maintain organism viability.

Dosing Guidelines

The manufacturer provides a single clear application rate for Plant Success King Crab: 1/2 mL per 1 gallon of water. This rate applies whether you are growing in soil or hydroponics. The method of delivery is root saturation — you mix King Crab into your watering or reservoir solution and apply it directly to the root zone.

Mixing procedure:

1. Measure your total water or reservoir volume in gallons.
2. Calculate the dose: 0.5 mL per gallon. For a 10-gallon reservoir, use 5 mL.
3. Add King Crab to water that has already been pH-adjusted and had nutrients added. Add biological products last in your mixing order to minimize exposure to strong pH adjusters.
4. Stir or circulate the solution briefly to distribute the organisms throughout the water column.
5. Apply to roots by drenching (soil/coco) or by filling the reservoir (hydroponics). The manufacturer states to saturate roots when applying.

Frequency: The manufacturer does not specify a fixed dosing schedule, so King Crab can be incorporated into every watering or every other watering depending on your program. Start with every watering and adjust based on plant response and available biology budget.

Volume reference for the 4 oz bottle: At 1/2 mL per gallon, the 118 mL in a 4 oz bottle covers approximately 236 gallons of treated water — enough for an extended run in a small-to-medium recirculating system or many individual soil waterings.

How to Use Plant Success King Crab

The steps below combine the manufacturer’s application instructions with standard best practices for liquid microbial inoculants in both soil and hydroponic environments.

1. Shake the bottle before each use. Live organisms can settle between uses. Turn the bottle gently several times to redistribute the microbial suspension evenly before measuring your dose.
2. Prepare your base solution first. Mix your base nutrients and adjust pH before adding King Crab. This reduces the time the organisms spend in contact with strong acid or alkaline adjusters. Target pH of 5.8–6.5 is suitable for most crops in both soil and hydroponic applications.
3. Measure the dose accurately. Use a clean, calibrated syringe or graduated pipette. At 1/2 mL per gallon, small errors compound across large volumes. Rinse measuring tools with clean water after use to avoid cross-contamination with undiluted product.
4. Add King Crab to the prepared solution. Pour the measured dose into your watering can or reservoir. Circulate or stir briefly to distribute throughout the solution.
5. Apply to the root zone. For soil and coco, water until solution runs through the bottom of the container (full root saturation as directed). For recirculating hydroponics, fill the reservoir as usual and allow the system to circulate normally.
6. Do not mix King Crab with sterilants. Avoid combining with hydrogen peroxide, chlorine, or UV-treated water in the same mixing step. These agents can reduce viable organism counts significantly. If your system uses sterilization, allow treated water to sit for a period before adding King Crab, or use it in a separate feeding.
7. Store the remainder properly. Cap the bottle tightly after each use. Store in a cool location away from direct heat and light. Refrigeration after opening helps preserve organism viability.

Sources & Further Reading