--- product_id: 37703606 title: "Liquid Harvest Lazer Blue Concentrated Spray Pattern Indicator 8 Ounces Perfect Weed Dye, Herbicide Fertilizer Marking Turf Mark and Marker" brand: "liquid harvest" price: "€ 41.70" currency: EUR in_stock: true reviews_count: 13 category: "Liquid Harvest" url: https://www.desertcart.be/products/37703606-liquid-harvest-lazer-blue-concentrated-spray-pattern-indicator-8-ounces store_origin: BE region: Belgium --- # Precision spray pattern visibility 8 oz ultra-concentrated formula Reduces costly product waste Liquid Harvest Lazer Blue Concentrated Spray Pattern Indicator 8 Ounces Perfect Weed Dye, Herbicide Fertilizer Marking Turf Mark and Marker **Brand:** liquid harvest **Price:** € 41.70 **Availability:** ✅ In Stock ## Summary > 🎯 Nail your spray game with Liquid Harvest Lazer Blue—because precision is power. ## Quick Answers - **What is this?** Liquid Harvest Lazer Blue Concentrated Spray Pattern Indicator 8 Ounces Perfect Weed Dye, Herbicide Fertilizer Marking Turf Mark and Marker by liquid harvest - **How much does it cost?** € 41.70 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/37703606-liquid-harvest-lazer-blue-concentrated-spray-pattern-indicator-8-ounces) ## 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 - • **Cut Costs, Not Corners:** Detects product drift to prevent overspray and save your budget. - • **Plug & Play Efficiency:** Easily integrates with any sprayer—no extra gear needed for pro-level results. - • **Time-Saving Application:** Boosts accuracy and reduces rework, freeing up your day for what matters. - • **Pinpoint Precision Every Time:** Visual spray pattern indicator ensures exact coverage—no guesswork, no waste. - • **Versatile Turf & Weed Control:** Compatible with herbicides, fertilizers, and weed dyes for all your lawn care needs. ## Overview Liquid Harvest Lazer Blue is an 8-ounce concentrated spray pattern indicator designed to enhance the accuracy of herbicide, fertilizer, and weed dye applications. By providing a vivid blue visual guide, it prevents over-application and product drift, saving time and money while optimizing lawn and garden treatments. Trusted by professionals and homeowners alike, this easy-to-use formula integrates seamlessly with existing sprayers for efficient, precise coverage. ## Description Buy Liquid Harvest Lazer Blue Concentrated Spray Pattern Indicator 8 Ounces Perfect Weed Dye, Herbicide Fertilizer Marking Turf Mark and Marker: Hand Sanitizers - desertcart.com ✓ FREE DELIVERY possible on eligible purchases Review: Great marker dye to avoid over/under application - I bought this to show where I've already sprayed liquid fertilizer on my lawn but I will be using it for all other plant spray applications. When mixed properly, even a light application is obvious. It is very bright and sticks to what has been sprayed very well. This marker dye stays on plant surfaces even after a decent rain but fades over time. It will stain skin but also fades over time. I don't know how it would do on clothes because I was careful, I assume it would ruin fabric. Overall, this dye is very helpful to see where I've already applied and I will definitely buy it again when I run out. Review: Does everything it’s advertised to do. - A little goes a long way. I’ll drop a couple tablespoons into my backpack sprayer tank mixed with water and the chemical I’m putting down on my lawn. Shows what you’ve already sprayed so you don’t over due the same area. Goes away in about a week. Washes clean from the sprayer tank with just water. Good stuff. ## Features - PREVENTS OVER APPLICATION: Lazer spray pattern indicator helps to prevent over-applying products by providing a visual indication of the spray coverage, ensuring that you use just the right amount of product required for your intended target. - DETECTS PRODUCT DRIFT: Lazer helps detect product drift and ensures that you don't spray areas that are not intended for treatment, reducing wastage and saving you money. - EASY TO USE: Lazer is easy to use and can be added to your sprayer without any additional equipment, making it an ideal solution for both homeowners and professional users. - RANGE OF APPLICATIONS : Lazer can be used with a variety of products to help optimize your application and reduce waste. - IMPROVES ACCURACY: By providing a visual guide to the spray coverage, Lazer helps improve the accuracy of your application, ensuring that you apply products exactly where they are needed. - SAVE TIME & MONEY: By reducing product waste and improving the accuracy of your application, Lazer can help you save both time and money, making it an essential tool for any user who values efficiency and productivity - EXTREME: This product is extremely concentrated, you must be careful when handling, mixing & storing this product. Use bleach to eliminate any 'stains' and to aid in the clean up of Lazer ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01G7M309M | | Active Ingredients | Concentrated FD&C 1 | | Best Sellers Rank | #1,402 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #52 in Weed Killers | | Brand | Liquid Harvest | | Brand Name | Liquid Harvest | | Coverage | non-selective broad spectrum | | Customer Reviews | 4.5 out of 5 stars 17,245 Reviews | | Included Components | Includes: 1 x Lazer Blue Concentrated Spray Pattern Indicator 8 Ounces Perfect Weed Spray Dye, Herbicide Dye, Fertilizer Marking Dye, Turf Mark and Blue Herbicide Marker | | Item Form | Concentrated | | Item Weight | 6.4 ounces | | Liquid Volume | 236.59 ml | | Manufacturer | Liquid Harvest | | Model Number | 00125 | | Number of Packs | 1 | | Part Number | 125 | | UPC | 768980001256 | | Unit Count | 8 Ounce | ## Product Details - **Active Ingredients:** Concentrated FD&C 1 - **Brand:** Liquid Harvest - **Item Form:** Concentrated - **Item Weight:** 6.4 ounces - **Liquid Volume:** 236.59 ml ## Images ![Liquid Harvest Lazer Blue Concentrated Spray Pattern Indicator 8 Ounces Perfect Weed Dye, Herbicide Fertilizer Marking Turf Mark and Marker - Image 1](https://m.media-amazon.com/images/I/61EW3X04idL.jpg) ## Available Options This product comes in different **Color, 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 ### ⭐⭐⭐⭐⭐ Great marker dye to avoid over/under application *by B***. on June 11, 2026* I bought this to show where I've already sprayed liquid fertilizer on my lawn but I will be using it for all other plant spray applications. When mixed properly, even a light application is obvious. It is very bright and sticks to what has been sprayed very well. This marker dye stays on plant surfaces even after a decent rain but fades over time. It will stain skin but also fades over time. I don't know how it would do on clothes because I was careful, I assume it would ruin fabric. Overall, this dye is very helpful to see where I've already applied and I will definitely buy it again when I run out. ### ⭐⭐⭐⭐⭐ Does everything it’s advertised to do. *by E***S on July 6, 2026* A little goes a long way. I’ll drop a couple tablespoons into my backpack sprayer tank mixed with water and the chemical I’m putting down on my lawn. Shows what you’ve already sprayed so you don’t over due the same area. Goes away in about a week. Washes clean from the sprayer tank with just water. Good stuff. ### ⭐⭐⭐⭐ Does What It Says It Will Do *by A***N on August 14, 2018* Anyone who has ever sprayed liquid herbicide (or any chemical) over a large area of ground will appreciate the problem. It is tough to remember exactly where you sprayed and didn't spray. You end up with either large gaps, or areas sprayed multiple times, or both. This product helps out quite a bit. === The Good Stuff === * Once you get the hang of seeing it, the blue is distinguishable even on green grass. It helps a lot if there are patches of bare ground, or some dandelions or other flowering weeds, but you can see the blue even on grass. It helped me a lot wear polarizing sunglasses. * I mixed it per the label instructions. I suppose a little extra would have helped things along- maybe next time. * Cleanup wasn't as bad as I feared. The instructions mention bleach, but I just ran a little extra plain water through my backpack sprayer, and the blue dye cleaned up. There might be just a slight blue tint to the clear tubing lines on the sprayer, but it gives the thing a little class. === The Not So Good Stuff === * This stuff should really ship with a box of surgical gloves. The instructions say the dye will wash off skin with repeated washings, but I suspect it really means that once the skin wears away, the dye goes with it. And if you get it under your fingernails....well, good luck. * I was not a fan of the bottle. It didn't pour real cleanly, meaning the stuff dribbles down the side of the bottle. Makes for a real mess. A squeeze bottle, or some sort of pump would have been appreciated, even if it added a few cents to the cost. === Summary === In the end, the product did what it claimed. There are a few things that could have been better, but it solved a problem, and probably paid for itself in less double spraying. I would have much preferred a brighter color (yellow or orange), but I suspect the blue dye was the easiest to make work. If you are colorblind to blues and greens, don't even bother. ## Frequently Bought Together - Liquid Harvest Lazer Blue Concentrated Spray Pattern Indicator 8 Ounces Perfect Weed Dye, Herbicide Fertilizer Marking Turf Mark and Marker - Concentrated Surfactant for Herbicides Non-Ionic 16oz, Increase Product Coverage, Increase Product Penetration, Increase Product Effectiveness - Syngenta 46256 Tenacity 8oz Herbicide, Clear --- ## 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.be/products/37703606-liquid-harvest-lazer-blue-concentrated-spray-pattern-indicator-8-ounces](https://www.desertcart.be/products/37703606-liquid-harvest-lazer-blue-concentrated-spray-pattern-indicator-8-ounces) --- *Product available on Desertcart Belgium* *Store origin: BE* *Last updated: 2026-09-17*