--- product_id: 25984555 title: "Liquid Harvest Lazer Blue - 32 Ounces - Concentrated Spray Pattern Indicator - Perfect Weed/ Fertilizer Marking Dye, Turf Mark and Blue Herbicide Marker" brand: "liquid harvest" price: "€ 55.36" currency: EUR in_stock: true reviews_count: 11 category: "Liquid Harvest" url: https://www.desertcart.pt/products/25984555-liquid-harvest-lazer-blue-32-ounces-concentrated-spray-pattern-indicator store_origin: PT region: Portugal --- # Mixes with water-based sprays only Concentrated 32 oz liquid Bright laser blue visibility Liquid Harvest Lazer Blue - 32 Ounces - Concentrated Spray Pattern Indicator - Perfect Weed/ Fertilizer Marking Dye, Turf Mark and Blue Herbicide Marker **Brand:** liquid harvest **Price:** € 55.36 **Availability:** ✅ In Stock ## Summary > 🔵 Stay ahead of the green game with Liquid Harvest Lazer Blue – see every spray, miss nothing! ## Quick Answers - **What is this?** Liquid Harvest Lazer Blue - 32 Ounces - Concentrated Spray Pattern Indicator - Perfect Weed/ Fertilizer Marking Dye, Turf Mark and Blue Herbicide Marker by liquid harvest - **How much does it cost?** € 55.36 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/25984555-liquid-harvest-lazer-blue-32-ounces-concentrated-spray-pattern-indicator) ## 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 - • **Non-Permanent & Clean:** Leaves no stains or residue, ensuring your turf stays pristine post-application. - • **Economical Concentrate:** 32 ounces of potent formula stretches far, maximizing value for both small and large-scale projects. - • **Effortless Application:** Quick mixing and smooth, even coverage make your spraying routine faster and more accurate. - • **Universal Compatibility:** Seamlessly blends with herbicides, fungicides, pesticides, and fertilizers for versatile lawn care. - • **Precision Spray Tracking:** Eliminate guesswork with vivid blue marking that highlights every treated area instantly. ## Overview Liquid Harvest Lazer Blue is a 32-ounce concentrated spray pattern indicator designed for professional lawn and garden use. It mixes exclusively with water-based solutions to provide a bright, non-permanent blue dye that clearly marks treated areas, enhancing precision in applying herbicides, pesticides, fungicides, and fertilizers. Its easy-to-mix formula ensures consistent coverage, helping users avoid gaps and overspray while maintaining turf aesthetics. ## Description Product description How much do I use? 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. How much do I use? 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. Is this product soluble in water? Yes, this product should be used with other water based products. Is this product soluble in water? Yes, this product should be used with other water based products. Does this product come with measuring device? 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. Does this product come with measuring device? 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. Does this product stain? 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. Does this product stain? 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. How do I get this product off of my hands? 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. How do I get this product off of my hands? 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. Lazer Blue is extremely concentrated, you must be careful when handling, mixing & storing this product. Lazer Blue provides a visual indication of the spray coverage, ensuring that the right amount of product required for your intended target. Lazer Blue can be used with a variety of other water-based products to help optimize your application and reduce waste. Lazer Blue is not permanent and will not stain once diluted per label instructions. The colorant will fade in time with sunlight & moisture. Save Time and Money Know where you are going and where you have been Concentrated Spray Marker Use 1/2 ounce of Lazer to every gallon of spray marker Soluble in Water Just add Lazer to mixture and spray to see coverage Liquid Harvest Lazer Blue Spray Marker 1/2 oz per Gallon of Mixture Eliminate Overspray Visibly See Where You Have Sprayed Non Permanent When Diluted hero-video Review: Outstanding Spray Pattern Indicator – Clear, Consistent, and Highly Effective - I recently purchased the Liquid Harvest Laser Blue Concentrated Spray Pattern Indicator (32 oz), and I couldn't be more impressed. The product quality is exceptional—the concentrated formula is clearly manufactured with careful attention to consistency and performance. Mixing and application were quick and effortless. The concentrate dilutes easily to the proper ratio, and the spray solution worked flawlessly right out of the bottle. The bright laser blue color provides excellent contrast against foliage, making spray coverage immediately visible in the field. Performance-wise, this indicator delivers every time. It provides smooth, even color distribution and produces consistent, highly visible marking that helps eliminate gaps and overspray. The dye maintains its visibility throughout the application without fading prematurely, ensuring accurate coverage tracking from start to finish. The overall effectiveness and value exceeded my expectations, especially for the price. The 32-ounce concentrated formula goes a long way, making it an economical choice for both small-scale and large-area applications. I'd highly recommend Liquid Harvest Laser Blue to anyone looking to improve the accuracy and efficiency of their spraying operations—whether you're applying herbicides, pesticides, fertilizers, or other liquid treatments. It's an essential tool for precision agriculture and lawn care professionals. Review: Just What I needed - Awesome product! Used with my herbicide and surfactant this Spring to help eliminate the new weeds. Picture says a thousand words! Followed the directions and it helped me get an even spray on the entire half acre. Watch out, this stuff will stain your fingers, feet, whatever it gets on. It soaked through my boots a little and it looked like I was turning into a Smurf. ## 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 | B0049I2FPM | | Active Ingredients | Herbicide | | Best Sellers Rank | #3,386 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #2 in Garden Lawn Paint #3 in Moss Control | | Brand | Liquid Harvest | | Brand Name | Liquid Harvest | | Coverage | Lightweight | | Customer Reviews | 4.6 out of 5 stars 2,717 Reviews | | Included Components | Liquid Harvest Lazer Blue - 32 Ounces | | Item Form | Liquid | | Item Type Name | Espoma GT4 4-Pound Garden-Tone 3-4-4 Plant Food | | Item Weight | 2 Pounds | | Liquid Volume | 1 Quarts | | Manufacturer | Sanco Industries | | Model Number | 117 | | Part Number | 117 | | UPC | 768980001171 | | Unit Count | 32.0 Ounce | ## Product Details - **Active Ingredients:** Herbicide - **Brand:** Liquid Harvest - **Item Form:** Liquid - **Item Weight:** 2 Pounds - **Liquid Volume:** 1 Quarts ## Images ![Liquid Harvest Lazer Blue - 32 Ounces - Concentrated Spray Pattern Indicator - Perfect Weed/ Fertilizer Marking Dye, Turf Mark and Blue Herbicide Marker - Image 1](https://m.media-amazon.com/images/I/71FTaNMX4uL.jpg) ![Liquid Harvest Lazer Blue - 32 Ounces - Concentrated Spray Pattern Indicator - Perfect Weed/ Fertilizer Marking Dye, Turf Mark and Blue Herbicide Marker - Image 2](https://m.media-amazon.com/images/I/81xQAMF7dML.jpg) ![Liquid Harvest Lazer Blue - 32 Ounces - Concentrated Spray Pattern Indicator - Perfect Weed/ Fertilizer Marking Dye, Turf Mark and Blue Herbicide Marker - Image 3](https://m.media-amazon.com/images/I/81iIWUHP9TL.jpg) ![Liquid Harvest Lazer Blue - 32 Ounces - Concentrated Spray Pattern Indicator - Perfect Weed/ Fertilizer Marking Dye, Turf Mark and Blue Herbicide Marker - Image 4](https://m.media-amazon.com/images/I/91TWSevONbL.jpg) ![Liquid Harvest Lazer Blue - 32 Ounces - Concentrated Spray Pattern Indicator - Perfect Weed/ Fertilizer Marking Dye, Turf Mark and Blue Herbicide Marker - Image 5](https://m.media-amazon.com/images/I/817At+FOSfL.jpg) ## 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 ### ⭐⭐⭐⭐⭐ Outstanding Spray Pattern Indicator – Clear, Consistent, and Highly Effective *by A***S on December 5, 2025* I recently purchased the Liquid Harvest Laser Blue Concentrated Spray Pattern Indicator (32 oz), and I couldn't be more impressed. The product quality is exceptional—the concentrated formula is clearly manufactured with careful attention to consistency and performance. Mixing and application were quick and effortless. The concentrate dilutes easily to the proper ratio, and the spray solution worked flawlessly right out of the bottle. The bright laser blue color provides excellent contrast against foliage, making spray coverage immediately visible in the field. Performance-wise, this indicator delivers every time. It provides smooth, even color distribution and produces consistent, highly visible marking that helps eliminate gaps and overspray. The dye maintains its visibility throughout the application without fading prematurely, ensuring accurate coverage tracking from start to finish. The overall effectiveness and value exceeded my expectations, especially for the price. The 32-ounce concentrated formula goes a long way, making it an economical choice for both small-scale and large-area applications. I'd highly recommend Liquid Harvest Laser Blue to anyone looking to improve the accuracy and efficiency of their spraying operations—whether you're applying herbicides, pesticides, fertilizers, or other liquid treatments. It's an essential tool for precision agriculture and lawn care professionals. ### ⭐⭐⭐⭐⭐ Just What I needed *by K***L on April 25, 2026* Awesome product! Used with my herbicide and surfactant this Spring to help eliminate the new weeds. Picture says a thousand words! Followed the directions and it helped me get an even spray on the entire half acre. Watch out, this stuff will stain your fingers, feet, whatever it gets on. It soaked through my boots a little and it looked like I was turning into a Smurf. ### ⭐⭐⭐⭐⭐ Helps so much! *by D***N on April 27, 2026* Yes buy this. Makes it super easy to see where you sprayed so you don’t waste expensive product. Color easy to see. Sprayed nicely. Easy to use. ## Frequently Bought Together - Liquid Harvest Lazer Blue - 32 Ounces - Concentrated Spray Pattern Indicator - Perfect Weed/ Fertilizer Marking Dye, Turf Mark and Blue Herbicide Marker - Southern Ag Surfactant for Herbicides Non-Ionic, 16oz, 1 Pint - Torocity Herbicide (8oz) by Atticus (Compare to Tenacity) - Mesotrione Concentrate - Selective Weed Killer for Commercial and Residential Lawns - Pre and Post Emergent Control --- ## 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.pt/products/25984555-liquid-harvest-lazer-blue-32-ounces-concentrated-spray-pattern-indicator](https://www.desertcart.pt/products/25984555-liquid-harvest-lazer-blue-32-ounces-concentrated-spray-pattern-indicator) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-05-28*