KALIX Humic Acid – Water Soluble Humic Acid Supplement for Soil, Hydroponic and Fertigation Systems

Regular price $300.00 USD
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Subscription Minimum Commitment and Cancellation

NPK Industries offers discounted recurring purchases on eligible RAW Nutrients and KALIX CPN products.

Subscriptions require a minimum commitment of two consecutive scheduled purchases.

By enrolling in a subscription, the customer agrees to purchase and pay for the initial order and at least one additional scheduled order at the selected subscription frequency.

Subscription discounts are offered in consideration of this minimum purchasing commitment.

After the minimum two-order commitment has been fulfilled, customers may cancel future recurring orders through their available subscription management options or by contacting NPK Industries.

Unless canceled, subscriptions continue automatically at the selected frequency and applicable subscription price.

Cancellation requests must be submitted before the next recurring order is processed to prevent that order from being charged or fulfilled.

Cancellation does not automatically cancel, refund, or reverse orders already processed.

Requests for cancellation before completion of the minimum commitment will be reviewed in accordance with the subscription agreement and applicable law.

Nothing in this policy limits cancellation rights or other protections required by applicable law.

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Ships from Medford, Oregon

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Description

KALIX Humic Acid is a fully water soluble humic acid supplement designed to support nutrient availability and root zone performance in soil, hydroponic, and fertigation systems. Humic substances have been used for decades by professional growers seeking to improve nutrient efficiency and maintain a productive growing environment. This highly soluble formula integrates easily into modern cultivation systems without creating residue or compatibility concerns.

Whether used in hydroponic reservoirs, fertigation programs, or soil-based cultivation, KALIX Humic Acid provides a flexible tool for growers looking to optimize nutrient management and support overall system performance.

Supports Nutrient Availability

Humic substances are valued for their ability to interact with nutrients in the root zone and growing media. By improving nutrient availability and supporting efficient nutrient use, humic acid has become a foundational component of many successful feeding programs.

  • Water soluble humic acid formula
  • Supports nutrient availability in the root zone
  • Helps optimize nutrient efficiency within feeding programs
  • Suitable for soil, soilless, and hydroponic cultivation

Built for Clean System Performance

Modern irrigation and fertigation systems demand products that dissolve completely and move efficiently through equipment. KALIX Humic Acid is formulated for consistent mixing and reliable integration into professional cultivation systems.

  • Fully soluble powder formulation
  • Clean mixing in reservoirs and stock tanks
  • Compatible with dosing systems and fertigation equipment
  • Designed for precision feeding programs

Supports a Productive Root Zone Environment

A healthy root zone is the foundation of every successful crop. KALIX Humic Acid can be incorporated into routine feeding programs to support a balanced growing environment and improve the overall efficiency of nutrient applications.

  • Supports a balanced root zone environment
  • Complements microbial and biological programs
  • Suitable for long-term feeding strategies
  • Integrates easily with complete nutrition programs

Designed to Work Alongside Other KALIX Products

KALIX Humic Acid is designed to complement existing nutrient programs and can be used alongside other KALIX products as part of a complete cultivation strategy.

Common integrations include:

  • KALIX Kelp
  • KALIX Fulltek
  • KALIX Cane Molasses
  • KALIX Microbes START
  • KALIX Microbes MAINTAIN

Together, these products help support nutrient management, biological activity, and overall root zone performance.

Built for Professional Cultivation

KALIX products are developed for growers operating in controlled environments, greenhouses, commercial agriculture, and hydroponic systems where consistency and efficiency are critical. Clean nutrient delivery and predictable performance help growers maintain stable feeding programs and scalable production systems.

Application Flexibility

KALIX Humic Acid can be incorporated into a wide variety of cultivation methods:

  • Soil and soilless media
  • Hydroponic systems
  • Drip irrigation and fertigation programs
  • Reservoir applications
  • Stock tank concentrates and injection systems

Its versatility makes it a valuable addition to both small-scale and commercial cultivation operations.

Available Sizes

  • 2 lb pouch
  • 25 lb commercial size

The Bottom Line

KALIX Humic Acid delivers a clean, fully water soluble source of humic substances designed for modern cultivation systems. Whether you're focused on nutrient efficiency, root zone management, or building a more complete feeding program, it provides a flexible solution that integrates easily into your existing strategy.

No sludge. No residue. No unnecessary fillers.

Just reliable humic acid support designed for professional growers.

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Delivery & Returns

Delivery & Returns

Shipping
Orders ship by UPS, FedEx or USPS. Shipping options and rates are calculated at checkout based on the products in your order, weight and destination. Large, heavy or palletized orders ship by freight.

Returns
Unused, unopened products in their original sealed packaging can be returned within 30 days of delivery, with prior authorization. Opened or used products, custom formulations and clearance items cannot be returned.

Read the full Shipping Policy and Refund & Return Policy.