--- product_id: 107602388 title: "Nectar Defender - Hummingbird Nectar Extender That Prolongs The Life of Nectar for Hummingbird Feeders - It Works Exceptionally Well During Warm Weather Months - 2 Pack" brand: "sapphire labs" price: "S$38" currency: SGD in_stock: true reviews_count: 8 category: "Sapphire Labs" url: https://www.desertcart.sg/products/107602388-nectar-defender-hummingbird-nectar-extender-that-prolongs-the-life-nectar store_origin: SG region: Singapore --- # Keeps nectar fresh up to 2 weeks 100% natural micronutrient, no artificial additives Optimized for warm weather performance Nectar Defender - Hummingbird Nectar Extender That Prolongs The Life of Nectar for Hummingbird Feeders - It Works Exceptionally Well During Warm Weather Months - 2 Pack **Brand:** sapphire labs **Price:** S$38 **Availability:** ✅ In Stock ## Summary > 🌟 Keep your hummingbird feeder buzzing with freshness and flair! ## Quick Answers - **What is this?** Nectar Defender - Hummingbird Nectar Extender That Prolongs The Life of Nectar for Hummingbird Feeders - It Works Exceptionally Well During Warm Weather Months - 2 Pack by sapphire labs - **How much does it cost?** S$38 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/107602388-nectar-defender-hummingbird-nectar-extender-that-prolongs-the-life-nectar) ## Best For - sapphire labs enthusiasts ## Why This Product - Trusted sapphire labs brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Effortless Use:** Simply add a dash to your homemade nectar mix—better than pre-made options and easy to refill. - • **Pure & Safe Formula:** Protect your feathered friends with a natural micronutrient blend—zero dyes or artificial preservatives. - • **Boost Birdwatching Joy:** Fresh nectar means more frequent visits, turning your feeder into a hummingbird hotspot. - • **Extended Nectar Freshness:** Enjoy vibrant hummingbird visits with nectar that stays fresh for up to 14 days, even in heat. - • **Designed for Warm Climates:** Specifically formulated to combat rapid spoilage during hot months, keeping feeders pristine longer. ## Overview Sapphire Labs Nectar Defender is a natural nectar extender that preserves hummingbird nectar freshness for up to two weeks, especially in warm weather. Free from artificial dyes and preservatives, it uses a micronutrient essential to hummingbirds’ diets to prevent spoilage, ensuring healthier birds and more frequent visits. Easy to use with a simple sugar-water mix, this 2-pack solution is a must-have for avid birdwatchers seeking vibrant, long-lasting feeder experiences. ## Description Product description Naturally and Safely Protects your Nectar & Feeder. Keeps them Fresh Longer. Nectar Defender works especially well for large hummingbird feeders in warm weather climates. It is an all natural hummingbird feed additive that helps keep your hummingbird nectar of choice fresh in your feeder for weeks, not days. Your hummer friends will come back more often because they enjoy fresh nectar every time they visit your feeder. Spoiled nectar is unhealthy for the birds. Hummingbirds avoid feeders with spoiled nectar, which decreases the birdwatching experience our customers enjoy. There has long been a need for a safe, natural solution to keep the nectar fresh, and solve the problem of rapid spoilage in hummingbird feeders. Nectar Defender contains no artificial preservatives or dyes, just a mineral micronutrient that is part of a hummingbird's natural diet. With this additive to your nectar, it will stay fresh in your feeder for up to 2 weeks, even in hot weather. ## Features - STAYS FRESH LONGER: Nectar Defender maintains nectar in hummingbird feeders for up to 2 weeks - PROTECT HUMMINGBIRDS: Added micronutrient prevents nectar spoilage with zero artificial ingredients - EASY: Add a little to your hummingbird nectar mix, a better alternative than ready to use nectar - HEALTH AND WELLBEING: No dyes or artificial ingredients makes for healthy, happy hummingbirds - HUMMINGBIRD RECIPE: 1 part sugar to 4 parts water, then add a dash of Nectar Defender accordingly ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07DH1935S | | Additional Features | Easy-Refill Top | | Best Sellers Rank | #6,592 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #25 in Outdoor Bird Feeder Accessories | | Brand | Sapphire Labs | | Brand Name | Sapphire Labs | | Capacity | 0.11 Liters | | Color | Clear | | Customer Reviews | 4.7 out of 5 stars 1,426 Reviews | | Included Components | 4 oz. Bottle, Micro-nutrient for hummingbirds, User manual | | Item Dimensions L x W x H | 3"L x 1.5"W x 5.5"H | | Item Weight | 0.5 Pounds | | Manufacturer Part Number | SG_B07DH1935S_US | | Material | Glass, Plastic | | Material Type | Glass, Plastic | | Model Number | SG_B07DH1935S_US | | Power Source | Manual | | Product Dimensions | 3"L x 1.5"W x 5.5"H | | Special Feature | Easy-Refill Top | | Target Species | Hummingbird | | Theme | Hummingbird Feeding | | UPC | 811024001092 | | Unit Count | 8.0 Fluid Ounces | ## Product Details - **Brand:** Sapphire Labs - **Material:** Glass, Plastic - **Product Dimensions:** 3"L x 1.5"W x 5.5"H - **Special Feature:** Easy-Refill Top - **Target Species:** Hummingbird ## Images ![Nectar Defender - Hummingbird Nectar Extender That Prolongs The Life of Nectar for Hummingbird Feeders - It Works Exceptionally Well During Warm Weather Months - 2 Pack - Image 1](https://m.media-amazon.com/images/I/81s4Ico9DvL.jpg) ## Questions & Answers **Q: Has anyone had problems with hummbirds not like the preservative?** A: I've been using this stuff for probably 10 years and I have no problem with them liking it they love it it takes good care of keeping my feeder fresh I would recommend it **Q: Does the bottle show an expiration date? If I don't use it up this year, will it still be good next year?** A: The bottles do not have expiration dates on them, but the bag they come in does. I bought mine this year and they don’t expire until12/2026 **Q: Should the hummingbird nectar preservative be refrigerated?** A: We do not refrigerate the nectar preservative. It's not required. **Q: Anyone know the milligram per liter concentration of copper sulfate in this stuff?** A: All it says on the bottle is that copper sulfate is a micronutrient; no percentages. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by S***M on August 20, 2023* ### ⭐⭐⭐⭐⭐ Review *by C***R on August 20, 2018* ### ⭐⭐⭐⭐⭐ Review *by L***S on October 14, 2025* ## Frequently Bought Together - Sapphire Labs Nectar Defender - Hummingbird Nectar Extender That Prolongs The Life of Nectar for Hummingbird Feeders - It Works Exceptionally Well During Warm Weather Months - 2 Pack - Kaytee Hummingbird Ready to Use Electro Nectar, 64-Ounce --- ## 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.sg/products/107602388-nectar-defender-hummingbird-nectar-extender-that-prolongs-the-life-nectar](https://www.desertcart.sg/products/107602388-nectar-defender-hummingbird-nectar-extender-that-prolongs-the-life-nectar) --- *Product available on Desertcart Singapore* *Store origin: SG* *Last updated: 2026-06-20*