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Growth Technology - Optimum Grow Two-Part Base Nutrient Set (5.5L Part A & Part B) – Commercial Facility Vegetative Mineral Foundation Tailored for Hydroponic Substrates

$86.95 $77.95
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Estimated delivery: 5 - 15 Business Days.

+5 days for regional locations on average [More Info]

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SKU 5457
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Shipping Weight 12.1 kg
Description

Growth Technology - Optimum Grow Two-Part Base Nutrient Set (5.5L Part A & Part B) – Commercial Facility Vegetative Mineral Foundation Tailored for Hydroponic Substrates

Establish an unyielding structural foundation, accelerate vegetative canopy expansion, and optimize root-zone development with the Growth Technology Optimum Grow Two-Part Base Nutrient Set. Explicitly engineered to meet the rigid data logging tolerances and heavy throughput requirements of commercial greenhouse ranges, vertical indoor farms, and high-performance substrate loops, this premium twin-pack liquid mineral matrix delivers uncompromised vegetative nutrition. Cultivating high-performance crops inside active hydroponic systems requires an incredibly stable, highly bio-available fertilizer baseline that can interact seamlessly with inert materials without falling out of solution. Standard multi-part nutrients frequently suffer from poor elemental stability, which triggers sudden mineral precipitation and stubborn root-zone deficiencies when routed through aggressive irrigation networks. The Growth Technology engineering solution completely eliminates those structural cultivation vulnerabilities. As one of the foundational, time-tested products introduced by industry pioneers Growth Technology, Optimum remains one of Australia's most trusted and relied-upon hydroponic solutions. This premium dual-pack concentrate delivers a complete and balanced formulation, supplying every essential macro-nutrient, secondary element, and fully chelated trace mineral required for healthy, rapid plant development. Formulated as a non-viscous, clean-running two-part (Part A & Part B) liquid concentrate set, it is especially designed to maintain optimal nutritional equilibrium in systems using technical media—including clay pebbles, horticultural perlite, and premium rockwool blocks. Packaged in a mid-sized 5.5-litre dual-jug commercial facility kit, Optimum Grow keeps your automated reservoirs running perfectly clean while building thick structural frameworks, robust vascular pathways, and lush, vibrant foliage footprints.


Best For: Powering active recirculating reservoirs, stabilizing nutrient availability across inert substrates, maximizing structural vegetative framing, and ensuring a sediment-free baseline feed for automated commercial loops.

Key Features & Technical Advancements

  • Time-Tested Australian Performance Legacy: One of the market's most trusted twin-pack formulations, relied upon by commercial operators for decades to deliver predictable, high-performance results.
  • Optimized Inert Substrate Calibration: Specially balanced to counteract the zero-nutrient buffering nature of technical media like expanded clay, porous perlite, and rockwool slabs.
  • Comprehensive Full-Spectrum Balance: Supplies an exact ratio of essential elements and multi-chelated micronutrients, completely eliminating the need for complex standalone trace additives.
  • Advanced Two-Part Fluid Engineering: Isolates reactive mineral groups into separate Part A and Part B jugs to ensure total chemical integrity and maximum freshness prior to dilution.
  • 100% Residue-Free Soluble Integrity: Dissolves instantly into solution without creating sticky surface films or crystal sludge, keeping fine inline filters and drip emitters clear of blockages.
  • Perfect for Automated Injection Loops: The smooth, low-viscosity fluid profile ensures highly consistent siphon tracking when pulled through automated inline liquid dosing pumps and multi-channel networks.

Product Technical Specifications Matrix

Nutrient, Formulation, & Substrate Parameters Engineering Metric / Design Detail Options
Brand & Manufacturing Partner Growth Technology (GT) / Hydroponic Fluid Specialists
Primary Nutrient Classification Professional Two-Part (Part A + Part B) Vegetative Base Nutrient Set
Total Liquid Volume Packaging 5.5-Litre Part A Jug + 5.5-Litre Part B Jug (Matched Commercial Facility Kit)
Target Media & Cultivation Style Inert Hydroponics (Expanded Clay, Horticultural Perlite, Rockwool Blocks)
Formulation Composition Grade Premium Concentrated Liquid Mineral Matrix (Residue-Free)
Micro-Nutrient Stability Profile Fully Chelated Trace Elements Optimized for Technical Hydro-Loops
Fluid Mixing Characteristics 100% Immediate Soluble Dispersion (Leaves Zero Undissolved Sludge)
Compatible Hardware Systems Drip Irrigation Manifolds, Automated Dosing Pumps, and Recirculating Loops
Primary Operational Benefit Builds Heavy Structural Frames, Stabilizes Inert Media, and Prevents Nutrient Stalls

Advanced Reservoir Modification & Substrate Control Tips

  • Executing a Professional Reservoir Mixing Routine: To ensure total chemical stability and prevent target minerals from binding together in concentrated forms, you must follow a strict, sequential mixing protocol based on your official Growth Technology Feed Sheet. Always fill your main water reservoir with fresh water first before adding any concentrates. Pour in the required dosage of Optimum Grow Part A and stir the tank thoroughly for 2 to 3 minutes until it is completely mixed. *Never* mix Part A and Part B together directly in their raw, concentrated forms, as doing so triggers instant chemical precipitation, causing vital minerals to drop out as useless sludge. Once Part A is fully diluted in the tank, add your matching dose of Optimum Grow Part B and mix thoroughly again. Let the entire reservoir circulate for 5 to 10 minutes before checking your electrical conductivity (EC) and adjusting your final pH to your desired target range.
  • Root-Zone Hydration and Substrate Coordination: Keeping your base nutrient solution perfectly balanced ensures your irrigation systems deliver stable nutritional profiles, protecting your root zones from severe salt stress. For optimal root vitality, accelerated nutrient absorption, and uncompromised drainage, route your perfectly tracked fertilizer recipes into a high-porosity 70/30 blend of Coco Coir and Horticultural Perlite. To maintain highly uniform moisture profiles across your entire bench layout, pressurize your feed lines using a heavy-duty Plont PPH Submersible Pump managed by an automated digital shot-timer.
  • Vascular Optimization on Inert Structural Media: When operating within clay, perlite, or rockwool, the roots lack natural mineral reserves. Because GT Optimum Grow targets these precise media profiles, it delivers immediately available ionic fractions that bypass complex biological conversion phases. This direct tracking forces an influx of nitrogen and calcium into the plant's vascular pathways, resulting in tight node spacing, thicker cell walls, and an enhanced structural framework capable of supporting massive generative yield loads later in the cycle.
  • Managing Multi-Part Solutions inside Automated Dosing Loops: When linking this premium two-part base nutrient to automated inline dosing systems, always dedicate completely separate stock tanks and injection channels for Part A and Part B. Ensure your inline mixing manifold is positioned down-line from your freshwater input loops, allowing each part to dilute completely into the water stream before the separate channels meet. Inspect your injection lines monthly and wipe down your system's digital sensors with dedicated electrode cleaner to prevent fine residue scale from throwing off your automated dosing commands.

Ideal For (Uses)

  • Active Technical Hydroponic Arrays: The primary base feed baseline for operators running commercial rockwool slabs, expanded clay flood-and-drain grids, or active perlite Dutch buckets.
  • Aggressive Structural Framework Building: Ideal for indoor cultivators seeking to optimize early plant architecture, maximize leaf surface development, and prepare crops for heavy flowering.
  • Commercial Scaling and Automation: Perfect for high-capacity vertical arrays and greenhouse loops that utilize commercial fluid injectors, batch tanks, and automated environmental feed software.
Oversize Item Delivery

Oversized Item Delivery Options

Oversized, heavy, and structural goods ship via specialist freight. Freight is calculated at checkout from estimated packaged volumetric or physical weight. Carrier depot audits may adjust the rate — if the increase exceeds 10%, we will contact you before processing.

Available options include:

✔ Delivery to your closest depot for pickup — default method
✔ Direct delivery — requires an operational forklift on site unless Tailgate Delivery has been specifically requested and quoted (contact us — this cannot be selected at checkout)
✔ Tailgate hydraulic lift delivery — must be specifically requested; contact us for a quote (not available as a checkout option; extra fees apply; required if you do not have a forklift)
✔ Forklift loading at our warehouse (no extra charge if you arrange your own freight)
✔ Direct truck delivery (available in Victoria)

Important Notes:

  • Shipping costs vary by location and method
  • Any carton or consignment over 25–30kg (or over 200cm) must be palletised
  • Without a specifically requested and paid Tailgate Delivery quote, palletised freight requires a forklift on site — otherwise the carrier will redirect to the nearest depot
  • Bulky and oversized items cannot be delivered to a PO Box — provide a physical street address
  • Failed deliveries, locked gates, unattended sites, or incorrect business/forklift declarations may incur carrier redelivery, demurrage, and restocking fees as set out in our Terms & Conditions

Business Delivery:

  • Selecting a business/commercial delivery rate warrants that the address has an operational forklift and certified operator during business hours
  • If the carrier cannot unload, the consignment may be redirected to a depot and secondary fees may apply
  • Additional fees may apply for failed delivery attempts due to lack of appropriate unloading equipment

See our Terms & Conditions (Article 8) for full freight and delivery rules.

Shipping & Lead Times

Important Note on Availability & Shipping

Our warehouse is a logistics hub, not a retail showroom. Listing a product online does not mean it is stored at our Thomastown warehouse — many lines ship from supplier hubs (split fulfilment may apply).

How lead times work:

  • Product page ETA: The Estimated Time of Arrival (ETA) / lead-time badge shown on the product page at checkout is the agreed delivery timeframe for that order under Australian Consumer Law.
  • Metro baselines: Advertised ETAs apply to standard metropolitan zones. Regional and remote addresses may take longer and may attract surcharges.
  • Peak seasons: Orders in March–May, August–October, EOFY (June), Black Friday/Cyber Monday (November), and Christmas/New Year (December–January) may automatically add a 2–4 week buffer beyond the product page ETA.
  • Supplier-dependent / backordered items: If stock is delayed, we will notify you with a revised ETA. You then have 7 days to accept the new timeframe or cancel for a full refund.
  • Adloheat: Custom-made products from Adloheat (Pakenham, VIC) may take 4–12 weeks depending on the order.

Full fulfilment, cancellation, and freight rules are in our Terms & Conditions.

Biosecurity & Interstate Shipping Restrictions

Due to strict state biosecurity regulations, we are unable to ship some products to certain states and territories:

  • Potting Mixes cannot be shipped to Western Australia (WA), the Northern Territory (NT), or Tasmania (TAS).
  • Seeds cannot be shipped to Western Australia (WA).

Orders placed for these items to restricted states will be cancelled and refunded. It is the customer's responsibility to ensure that the items being ordered can lawfully be delivered to their state or territory.

Price Match Guarantee

We Offer the Best Prices

We are committed to offering competitive market rates. If you find an identical, currently stocked product advertised at a lower price by an authorised Australian competitor, contact us before purchase and we will review your request.

Price Match Conditions:

  • The competitor must be a registered Australian business (active ABN) with a physical trading address or verified commercial presence in Australia
  • The item must be identical in brand, model, SKU, gauge, dimensions, and specifications
  • The lower price must be publicly advertised in AUD, currently active, and available for immediate purchase
  • Excludes liquidation, clearance, closeouts, damaged goods, and discontinued lines
  • Excludes overseas marketplaces and aggregators including Temu, AliExpress, eBay auction sellers, and Amazon third-party sellers
  • Excludes trade quotes, bulk discounts, and custom negotiated quotes not publicly visible
  • Requests must be made in writing before purchase

How to Request a Price Match:

Email [email protected] with a live link or official quote. We reserve sole discretion to verify and approve price match adjustments. See Article 6.7 of our Terms & Conditions.

Pricing Errors & 105% Store Credit

If a displayed price is incorrect due to a website error or an extraordinary supplier increase, we will contact you before processing. You may proceed at the corrected price, choose an alternative, or cancel for a full cash refund. A 105% store credit may be offered as a courtesy bonus at our sole discretion only. It is not an entitlement, and we may refuse it if we believe it is being abused or sought in bad faith. Full details: Terms & Conditions Article 6.1.

Still Unsure?

Book an appointment with one of our team members. We are here to assist you every step of the way.