--- product_id: 40841792 title: "Liquid Harvest Lazer Blue Concentrated Spray Pattern Indicator - 1 Gallon (128 Ounces) - Perfect Weed Spray Dye, Herbicide Dye, Fertilizer Marking Dye, Turf Mark and Blue Herbicide Marker" brand: "liquid harvest" price: "€ 181.02" currency: EUR in_stock: true reviews_count: 8 category: "Liquid Harvest" url: https://www.desertcart.de/products/40841792-liquid-harvest-lazer-blue-concentrated-spray-pattern-indicator-1-gallon store_origin: DE region: Germany --- # Compatible with water-based herbicides & fertilizers 1 Gallon concentrated liquid Vivid blue spray pattern indicator Liquid Harvest Lazer Blue Concentrated Spray Pattern Indicator - 1 Gallon (128 Ounces) - Perfect Weed Spray Dye, Herbicide Dye, Fertilizer Marking Dye, Turf Mark and Blue Herbicide Marker **Brand:** liquid harvest **Price:** € 181.02 **Availability:** ✅ In Stock ## Summary > 🔵 Mark your turf like a pro—never miss a spot again! ## Quick Answers - **What is this?** Liquid Harvest Lazer Blue Concentrated Spray Pattern Indicator - 1 Gallon (128 Ounces) - Perfect Weed Spray Dye, Herbicide Dye, Fertilizer Marking Dye, Turf Mark and Blue Herbicide Marker by liquid harvest - **How much does it cost?** € 181.02 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.de](https://www.desertcart.de/products/40841792-liquid-harvest-lazer-blue-concentrated-spray-pattern-indicator-1-gallon) ## Best For - liquid harvest enthusiasts ## Why This Product - Trusted liquid harvest brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Bulk Gallon Size:** Cost-effective 128 oz volume designed to last through multiple large-scale applications. - • **Water-Based Formula:** Optimized for mixing exclusively with water-based solutions for consistent, reliable marking. - • **Versatile Application:** Perfect for herbicides, fungicides, pesticides, and fertilizers—one dye to rule them all. - • **Precision Spray Visibility:** Easily track your spray coverage with a bold blue dye that ensures no patch is missed. - • **Non-Permanent & Non-Staining:** Leaves clear marks without damaging turf or plants, so your lawn stays pristine. ## Overview Liquid Harvest Lazer Blue is a 1-gallon concentrated spray pattern indicator designed for professional-grade lawn and garden care. It mixes exclusively with water-based herbicides, fungicides, pesticides, and fertilizers to provide a vivid blue, non-permanent marking that ensures precise application coverage. Ideal for large-scale use, this non-staining formula helps you avoid missed areas while protecting your turf’s appearance. ## Description desertcart.com: Liquid Harvest Lazer Blue Concentrated Spray Pattern Indicator - 1 Gallon (128 Ounces) - Perfect Weed Spray Dye, Herbicide Dye, Fertilizer Marking Dye, Turf Mark and Blue Herbicide Marker : Arts, Crafts & Sewing Review: gallon size much cheaper per ounce - Buy the gallon size and the price is much better, will last a long long time. Works great!! Review: Blue marker dye. - Works great. Blue Really stands out so you won't miss any weeds. ## Features - Mixes only with water based solutions, will not work with oil based - Easily marks grass and lawns - Mix with herbicides, fungicides, pesticides, & fertilizers - Indicates where spray mixtures have been applied - Non-permanent and nonstaining ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0049I9OBA | | Active Ingredients | FD&C Blue 1 | | Best Sellers Rank | #14,454 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #485 in Garden Fertilizers | | Brand | Liquid Harvest | | Brand Name | Liquid Harvest | | Coverage | non-selective broad spectrum coverage | | Customer Reviews | 4.7 out of 5 stars 1,143 Reviews | | Included Components | Utility Knife | | Item Form | Liquid | | Item Type Name | Utility Knife | | Item Weight | 8 Pounds | | Liquid Volume | 1 Gallons | | Manufacturer | Sanco Industries | | Model Number | 118 | | Part Number | 118 | | UPC | 768980001188 | | Unit Count | 128.0 Ounce | | Warranty Description | Warranty | ## Product Details - **Active Ingredients:** FD&C Blue 1 - **Brand:** Liquid Harvest - **Item Form:** Liquid - **Item Weight:** 8 Pounds - **Liquid Volume:** 1 Gallons ## Images ![Liquid Harvest Lazer Blue Concentrated Spray Pattern Indicator - 1 Gallon (128 Ounces) - Perfect Weed Spray Dye, Herbicide Dye, Fertilizer Marking Dye, Turf Mark and Blue Herbicide Marker - Image 1](https://m.media-amazon.com/images/I/61zubmTU+eL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: How much do I use?** A: Start with 1/2 ounce per gallon of mixture. If darker color is desired, add small amounts (up to 1oz per gallon) until desired color is achieved is spray. **Q: Is this product soluble in water?** A: Yes, this product should be used with other water based products. **Q: Does this product come with measuring device?** A: Our updated packaging for the 8 & 16 ounce bottles have a built in measuring device. Other bottles & sizes will need a dedicated syringe/measuring device from home. For sustainability efforts, we are selling through current packaging to reduce waste. **Q: Does this product stain?** A: This product is very concentrated and undiluted product will stain. Lazer is not permanent and will not stain once diluted. The colorant will fade in time with sun and moisture. **Q: How do I get this product off of my hands?** A: This product is very concentrated and can stain hands, clothing, cement, and other objects the concentrate comes in contact with. Over time the color will fade from hands or you can use a 50/50 bleach water mix to fade color more quickly. ## Customer Reviews ### ⭐⭐⭐⭐⭐ gallon size much cheaper per ounce *by B***N on June 9, 2026* Buy the gallon size and the price is much better, will last a long long time. Works great!! ### ⭐⭐⭐⭐⭐ Blue marker dye. *by S***L on June 7, 2026* Works great. Blue Really stands out so you won't miss any weeds. ### ⭐⭐⭐⭐⭐ Lazer blue spray indicator *by A***H on June 9, 2026* Great product, purchased several times --- ## 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.de/products/40841792-liquid-harvest-lazer-blue-concentrated-spray-pattern-indicator-1-gallon](https://www.desertcart.de/products/40841792-liquid-harvest-lazer-blue-concentrated-spray-pattern-indicator-1-gallon) --- *Product available on Desertcart Germany* *Store origin: DE* *Last updated: 2026-07-12*