--- product_id: 640219125 title: "Silica Liquid Mineral Additive w/Potassium Silicate for Plant Support, Strong Roots & Healthy Foliage – Indoor Houseplants, Outdoor Gardens, Trees & Lawn – 8.5 fl oz (250 mL)" brand: "growth technology gt" price: "R868" currency: ZAR in_stock: true reviews_count: 5 url: https://www.desertcart.co.za/products/640219125-silica-liquid-mineral-additive-w-potassium-silicate-for-plant-support store_origin: ZA region: South Africa --- # Supports 50-125 L solution coverage 250 mL liquid concentrate Mix ratio 1:200-1:500 for precision Silica Liquid Mineral Additive w/Potassium Silicate for Plant Support, Strong Roots & Healthy Foliage – Indoor Houseplants, Outdoor Gardens, Trees & Lawn – 8.5 fl oz (250 mL) **Brand:** growth technology gt **Price:** R868 **Availability:** ✅ In Stock ## Summary > 🌿 Elevate your plant game with Growth Technology GT Silica – because strong roots never go out of style! ## Quick Answers - **What is this?** Silica Liquid Mineral Additive w/Potassium Silicate for Plant Support, Strong Roots & Healthy Foliage – Indoor Houseplants, Outdoor Gardens, Trees & Lawn – 8.5 fl oz (250 mL) by growth technology gt - **How much does it cost?** R868 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/640219125-silica-liquid-mineral-additive-w-potassium-silicate-for-plant-support) ## Best For - growth technology gt enthusiasts ## Why This Product - Trusted growth technology gt brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Effortless Integration:** Easy-to-measure concentrate fits seamlessly into any nutrient schedule. - • **Maximize Plant Potential:** Ideal for propagation, flowering, and mature plants to unlock full vitality. - • **Universal Growth Partner:** Compatible with soil, hydroponics, and semi-hydro systems for versatile use. - • **Fortify Your Roots & Stems:** Potassium silicate boosts structural integrity for resilient plants. - • **Vibrant Foliage, All Year Round:** Enhances leaf color and health across indoor and outdoor varieties. ## Overview Growth Technology GT Silica is a premium liquid mineral additive with potassium silicate designed to strengthen plant stems, roots, and foliage. Suitable for a wide range of plants and growing methods, this 250 mL concentrate covers up to 125 liters of solution and integrates easily into nutrient routines, promoting year-round vibrant growth and plant resilience. ## Description Growth Technology GT Silica is a liquid mineral additive containing potassium silicate, developed to support plant structure and maintain healthy foliage. Suitable for indoor and outdoor plants, including houseplants, tropical varieties, alocasia, flowers, trees, and lawn areas, it can be used in soil, hydroponics, semi-hydro, or living water systems. This versatile concentrate integrates easily into nutrient schedules for propagation, compost blends, mist sprays, or root feeding. Regular use as part of a balanced plant care routine helps encourage strong stems, vibrant leaf growth, and overall root vitality without affecting existing planting methods. Review: Keeps variegated white plants longer - I bought this as it was recommended to help keep my plants with white variegated leaves stay white longer. So far so good! It also helps the stems of my plants become more sturdy. It’s easy to use. I just mix it with my distilled water and shake it up. I let it sit about 30 minutes before adding my foliage fertilizer and I’m good to go! Review: Works well! - Outfreakingstanding!!! A must have for expensive tropical plants ! ## Features - OPTIMIZED PLANT SUPPORT – Growth Technology GT Silica delivers a liquid mineral additive formulated with potassium silicate to promote sturdy stems, strong root systems, and vibrant leaf development. Suitable for houseplants, garden plants, trees, flowers, and lawn care in both indoor and outdoor environments. - ENHANCED FOLIAGE AND ROOT DEVELOPMENT – Helps maintain healthy foliage color, improve structural integrity, and support balanced growth in a wide variety of plants, including tropicals, alocasia, and propagation cuttings. Works effectively in potting mix, hydroponics, or garden soil for year-round plant care. - EASY-TO-MEASURE CONCENTRATE – Highly efficient concentrate designed for convenient mixing. Use in living water systems, compost tea blends, or with your regular nutrient schedule. Dilute the recommended amount into water, stir, rest, and combine with other plant nutrients before adjusting pH levels. - VERSATILE APPLICATIONS – Ideal for propagation, flowering, and mature plant stages. It can be applied as part of a nutrient mix, mist spray, or root drench. Suitable for indoor plant collections, greenhouse crops, outdoor garden beds, and lawn maintenance to encourage balanced growth and plant resilience. - SUITABLE FOR ALL GROWING METHODS – Compatible with hydroponic, semi-hydro, soil-based, and container gardening setups. Whether feeding tropical foliage, houseplants, or trees, Growth Technology GT Silica integrates seamlessly into your plant care routine to support healthy stems, leaves, and root vitality. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0D8Q2V74D | | Best Sellers Rank | #403,678 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #5,269 in Garden Fertilizers | | Brand | Growth Technology GT | | Brand Name | Growth Technology GT | | Coverage | 50-125 liters of working solution | | Customer Reviews | 4.5 out of 5 stars 19 Reviews | | Included Components | 1 bottle | | Item Form | Liquid | | Item Weight | 15 Ounces | | Liquid Volume | 250 Milliliters | | Manufacturer | Growth Technology GT | | Mixing Ratio | 1:200-1:500 | | Number of Items | 1 | | Number of Packs | 1 | | Part Number | PH-GTSI | | Specific Uses For Product | Plant Growth | | Target Species | plants | | Unit Count | 8.45 Fluid Ounces | ## Product Details - **Brand:** Growth Technology GT - **Item Form:** Liquid - **Item Weight:** 15 Ounces - **Liquid Volume:** 250 Milliliters - **Specific Uses For Product:** Plant Growth ## Images ![Silica Liquid Mineral Additive w/Potassium Silicate for Plant Support, Strong Roots & Healthy Foliage – Indoor Houseplants, Outdoor Gardens, Trees & Lawn – 8.5 fl oz (250 mL) - Image 1](https://m.media-amazon.com/images/I/717aefz+axL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Keeps variegated white plants longer *by L***P on April 26, 2025* I bought this as it was recommended to help keep my plants with white variegated leaves stay white longer. So far so good! It also helps the stems of my plants become more sturdy. It’s easy to use. I just mix it with my distilled water and shake it up. I let it sit about 30 minutes before adding my foliage fertilizer and I’m good to go! ### ⭐⭐⭐⭐⭐ Works well! *by C***A on August 8, 2025* Outfreakingstanding!!! A must have for expensive tropical plants ! ### ⭐⭐⭐⭐⭐ Silica review *by M***7 on June 15, 2025* You have to make sure the pH is okay before you water your plants but it has been working well so far. Will buy again ## Frequently Bought Together - GT Silica (250 ml) - Growth Technology GT Foliage Focus Plant Nutrient (250 ml) - Growth Technology GT Foliage Focus Plant Nutrient for Indoor and Outdoor Tropical, Aroids, and Leafy Plants --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.za/products/640219125-silica-liquid-mineral-additive-w-potassium-silicate-for-plant-support](https://www.desertcart.co.za/products/640219125-silica-liquid-mineral-additive-w-potassium-silicate-for-plant-support) --- *Product available on Desertcart South Africa* *Store origin: ZA* *Last updated: 2026-07-05*