--- product_id: 537257318 title: "Coralline Algae in a Bottle - Purple Helix, Live Spores and Nitrifying Bacteria for Saltwater Reef Tanks, Seeds Dry Rock with Vibrant Purple Coralline, Treats Up to 50 Gallons, Brush Included" brand: "arc reef" price: "€ 50.30" currency: EUR in_stock: true category: "Arc Reef" url: https://www.desertcart.gr/products/537257318-coralline-algae-in-a-bottle-purple-helix-live-spores-nitrifying store_origin: GR region: Greece --- # rapid nitrifying bacteria boost treats up to 50 gallons 8 live coralline algae species Coralline Algae in a Bottle - Purple Helix, Live Spores and Nitrifying Bacteria for Saltwater Reef Tanks, Seeds Dry Rock with Vibrant Purple Coralline, Treats Up to 50 Gallons, Brush Included **Brand:** arc reef **Price:** € 50.30 **Availability:** ✅ In Stock ## Summary > 🌈 Unlock the true purple power of your reef—live spores, real color, zero compromises! ## Quick Answers - **What is this?** Coralline Algae in a Bottle - Purple Helix, Live Spores and Nitrifying Bacteria for Saltwater Reef Tanks, Seeds Dry Rock with Vibrant Purple Coralline, Treats Up to 50 Gallons, Brush Included by arc reef - **How much does it cost?** € 50.30 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/537257318-coralline-algae-in-a-bottle-purple-helix-live-spores-nitrifying) ## Best For - arc reef enthusiasts ## Why This Product - Trusted arc reef brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Complete Reef Starter Kit:** Includes a precision brush and easy-to-follow instructions, making seeding your saltwater tank effortless and foolproof for up to 50 gallons. - • **Fast-Track Reef Coloration:** Watch vibrant coralline algae colonize your dry rock within weeks, accelerating the natural reef aesthetic and reducing tedious maintenance. - • **Vibrant Purple Helix Spectrum:** 8 distinct live coralline algae strains deliver a rich palette of purple and violet hues that transform your reef into a living masterpiece. - • **Biological Boost, Not Chemicals:** Contains 100% live spores and nitrifying bacteria—no synthetic additives—ensuring authentic reef growth and healthier tank ecology. - • **Optimized for Stability & Growth:** Slow-growing species minimize frequent glass cleaning while enhancing tank biome balance with live nitrifying bacteria for rapid nitrogen cycling. ## Overview ARC Reef Coralline Algae in a Bottle - Purple Helix is a premium live biological treatment containing 8 lab-cultured species of vibrant purple coralline algae spores and nitrifying bacteria. Designed for saltwater reef tanks up to 50 gallons, it accelerates natural reef coloration and improves tank biome health without chemical additives. This live product seeds dry rock with authentic algae, promoting slow, sustainable growth and reducing maintenance frequency, making it the go-to solution for reef enthusiasts seeking vivid, long-lasting purple hues. ## Description Purple Helix Plus version contains 8 separate strains of live Coralline Algae along with a marine-based nitrifying bacteria. Purple Helix seeds your tank with spores from carefully selected Coralline Algae species. All the species are bright vibrant colored species that grow slowly so aid with tank maintenance..Watch your rockwork as vibrant hues of purple soon form and then grow. It can take up to 10 weeks before you see colorful spots of this algae take hold all over your aquarium and rockwork. The growth timeframe is dependent on your water parameters and tank stability. 1 bottle is needed per each 50 gallons of tank volume, including your sump. This product is a live product and must be used within 30 days. ## Features - 100% Live Spores Not A Chemical Additive - Unlike calcium-based accelerators, every bottle contains living, lab-cultured Coralline Algae spores to physically introduce the biology needed to turn white dry rock into a colorful living live rock reef - Contains 8 Purple Helix Species - Includes 8 distinct species of coralline algae chosen to provide a vibrant mix of purple and violet hues that look great and grow slowly, which gives it its bright colors and makes glass cleanings needed less often - The Fastest Way to Add Vibrant Hues of Purple Lavender and Violet Colors to Your Saltwater Aquarium Reef Tank - The Only Product that Contains Live Coralline Algae Spores, Not Just Calcium and Magnessium Like Algae Accelerators - Includes Live Nitrifying Bacteria that will Rapidly Establish New Tanks and Improve the Biome in Existing Aquariums ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0C98S188S | | ASIN | B0C98S188S | | Allergen Information | Allergen-Free | | Best Sellers Rank | #31,556 in Pet Supplies ( See Top 100 in Pet Supplies ) #281 in Aquarium Water Treatments | | Brand Name | ARC Reef | | Customer Reviews | 4.0 4.0 out of 5 stars (147) | | Date First Available | June 23, 2023 | | Global Trade Identification Number | 00860003440964 | | Included Components | Instructions and 9 inch brush | | Item Form | Liquid | | Item Weight | 14 ounces | | Item model number | ARCCAPLUS8OZ | | Liquid Volume | 8 fluid ounces | | Manufacturer | ARC Reef | | Manufacturer | ARC Reef | | Manufacturer Part Number | ARCCAPLUS8OZ | | Model Number | ARCCAPLUS8OZ | | Pet Type | Fish | | Product Dimensions | 6.5 x 2.5 x 2.5 inches; 14 ounces | | Target Species | Coralline Algae | | Unit Count | 8 Fluid Ounces | | Warranty Description | 1 year manufacturer | ## Product Details - **Brand:** ARC Reef - **Item Form:** Liquid - **Item Weight:** 14 ounces - **Liquid Volume:** 8 fluid ounces - **Unit Count:** 8 Fluid Ounces ## Images ![Coralline Algae in a Bottle - Purple Helix, Live Spores and Nitrifying Bacteria for Saltwater Reef Tanks, Seeds Dry Rock with Vibrant Purple Coralline, Treats Up to 50 Gallons, Brush Included - Image 1](https://m.media-amazon.com/images/I/41V1i-uOHLL.jpg) ## Frequently Bought Together - Coralline Algae in a Bottle, Purple Helix Plus Version, Live Spores + Nitrifying Bacteria - Coralline Algae in a Bottle + Nitrifying Bacteria for Saltwater Aquariums, Pink Fusion Strain - Brightwell Aquatics MicroBacter7 Complete Bioculture for Fish Tank or Aquarium - Populates Biological Filter Media for Saltwater and Freshwater Fish - Aquarium Water Treatments, 16.9 fl oz --- ## 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.gr/products/537257318-coralline-algae-in-a-bottle-purple-helix-live-spores-nitrifying](https://www.desertcart.gr/products/537257318-coralline-algae-in-a-bottle-purple-helix-live-spores-nitrifying) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-09-02*