--- product_id: 736934405 title: "Sierra Natural Science - 203 - Concentrate Pouch - 1.25 fl oz (37 mL) makes up to 32 fl oz (Pack of 5)" brand: "sierra natural science" price: "¥3224" currency: JPY in_stock: true category: "Sierra Natural Science" url: https://www.desertcart.jp/products/736934405-sierra-natural-science-203-concentrate-pouch-1-25-fl-oz store_origin: JP region: Japan --- # 100% pure rosemary & clove botanical extracts Concentrate makes up to 32 fl oz EPA exempt, safe around kids & pets Sierra Natural Science - 203 - Concentrate Pouch - 1.25 fl oz (37 mL) makes up to 32 fl oz (Pack of 5) **Brand:** sierra natural science **Price:** ¥3224 **Availability:** ✅ In Stock ## Summary > 🌿 Defend your garden naturally—because your plants deserve the best! ## Quick Answers - **What is this?** Sierra Natural Science - 203 - Concentrate Pouch - 1.25 fl oz (37 mL) makes up to 32 fl oz (Pack of 5) by sierra natural science - **How much does it cost?** ¥3224 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/736934405-sierra-natural-science-203-concentrate-pouch-1-25-fl-oz) ## Best For - sierra natural science enthusiasts ## Why This Product - Trusted sierra natural science brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Kid & Pet Friendly:** EPA exempt and made from food-grade, biodegradable ingredients for peace of mind. - • **Zero Wait, Zero Worry:** 0-Day REI means safe use up to harvest—perfect for busy, health-conscious growers. - • **Powerful Botanical Defense:** Harnesses pure rosemary & clove oils to dehydrate pests and combat fungus & algae. - • **Ultra-Concentrated Formula:** 1.25 fl oz pouch expands to 32 fl oz, delivering long-lasting protection across your garden. - • **Consistent Potency Guaranteed:** In-house processing ensures every batch delivers reliable, potent pest control. ## Overview Sierra Natural Science 203 Concentrate is a potent, EPA-exempt botanical insecticide made from 100% pure rosemary and clove oils. This 1.25 fl oz pouch dilutes to 32 fl oz, effectively dehydrating pests and attacking fungus and algae to protect plants from root and stalk feeders. Safe for use up to harvest with zero re-entry interval, it’s biodegradable, food-grade, and safe around children and pets when used as directed. ## Description High moisture levels in soils and around pots encourage the development of fungus gnats, shore flies and other pests. When this occurs, plants will be stunted with reduced growth and leaf drop. 203 has active ingredients that cause pests to dehydrate and die while also, attacking fungus and algae, reducing the food source for pests. 203 is made up of 100% pure rosemary & clove botanical extracts highly water soluble. We process raw certified organic botanicals and herbs in-house, ensuring oils and terpenes have a consistent potency across all of our products. The botanical extracts are all food grade GRAS (generally recognized as safe when used as directed) materials, that are fully biodegradable, and not toxic to animals. It is exempt from EPA registration under minimum risk pesticide exempted under FIFRA section 25(b). It can be used on a wide variety of plants, fruits, and vegetables. ## Features - Dehydrates & kills pests and attacks fungus & algae - Fights against insects that feed on your plants roots & stalks - Can be used up to harvest (0-Day REI) - EPA Exempt Fifra 25 (b) - Safe around children & pets when used as directed ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0DNTYJZ9J | | Active Ingredients | Clove Oil, Rosemary | | Best Sellers Rank | #53,985 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #7,797 in Garden Fertilizers | | Brand Name | Sierra Natural Science | | Customer Reviews | 4.3 4.3 out of 5 stars (239) | | Included Components | 5 insecticide concentrate | | Item Form | Oil | | Item Weight | 6.25 ounces | | Liquid Volume | 6.25 fluid ounces | | Manufacturer | Sierra Natural Science | | Model Number | 31635-5 | | Part Number | 31635-5 | | Specification Met | EPA, OMRI | | Target Species | Fungus | ## Product Details - **Active Ingredients:** Clove Oil, Rosemary - **Brand:** Sierra Natural Science - **Item Form:** Oil - **Item Weight:** 6.25 ounces - **Liquid Volume:** 6.25 fluid ounces ## Images ![Sierra Natural Science - 203 - Concentrate Pouch - 1.25 fl oz (37 mL) makes up to 32 fl oz (Pack of 5) - Image 1](https://m.media-amazon.com/images/I/51P9F833LLL.jpg) ![Sierra Natural Science - 203 - Concentrate Pouch - 1.25 fl oz (37 mL) makes up to 32 fl oz (Pack of 5) - Image 2](https://m.media-amazon.com/images/I/41Zz8XV5fHL.jpg) ![Sierra Natural Science - 203 - Concentrate Pouch - 1.25 fl oz (37 mL) makes up to 32 fl oz (Pack of 5) - Image 3](https://m.media-amazon.com/images/I/41FwDI65B-L.jpg) ![Sierra Natural Science - 203 - Concentrate Pouch - 1.25 fl oz (37 mL) makes up to 32 fl oz (Pack of 5) - Image 4](https://m.media-amazon.com/images/I/41cVkgkJSOL.jpg) ![Sierra Natural Science - 203 - Concentrate Pouch - 1.25 fl oz (37 mL) makes up to 32 fl oz (Pack of 5) - Image 5](https://m.media-amazon.com/images/I/51iG7lGkleL.jpg) ## Available Options This product comes in different **Size, Number Of Items** options. --- ## 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.jp/products/736934405-sierra-natural-science-203-concentrate-pouch-1-25-fl-oz](https://www.desertcart.jp/products/736934405-sierra-natural-science-203-concentrate-pouch-1-25-fl-oz) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-09-21*