--- product_id: 72613769 title: "Starter Bacteria Aquarium 118 ml - Nite-Out II Safe Start & Water Change | cycling phase, against nitrite, ammonium, poor water values, after medication & restart, fish tank, freshwater, saltwater" brand: "arka" price: "$23.84" currency: USD in_stock: true reviews_count: 13 category: "Arka" url: https://www.desertcart.us/products/72613769-starter-bacteria-aquarium-118-ml-nite-out-ii-safe-start store_origin: US region: United States of America --- # Instant bacterial activation Compact 118 ml liquid formula Natural ammonia & nitrite reduction Starter Bacteria Aquarium 118 ml - Nite-Out II Safe Start & Water Change | cycling phase, against nitrite, ammonium, poor water values, after medication & restart, fish tank, freshwater, saltwater **Brand:** arka **Price:** $23.84 **Availability:** βœ… In Stock ## Summary > 🐠 Dive into crystal-clear waters from day one! ## Quick Answers - **What is this?** Starter Bacteria Aquarium 118 ml - Nite-Out II Safe Start & Water Change | cycling phase, against nitrite, ammonium, poor water values, after medication & restart, fish tank, freshwater, saltwater by arka - **How much does it cost?** $23.84 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/72613769-starter-bacteria-aquarium-118-ml-nite-out-ii-safe-start) ## Best For - arka enthusiasts ## Why This Product - Trusted arka brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Pure Organic Power:** Contains only natural bacteriaβ€”no chemicals, no toxins, just clean water. - β€’ **Effortless Application:** Add directly to your tankβ€”no mixing, no guesswork, zero overdose risk. - β€’ **Universal Compatibility:** Safe for freshwater, saltwater, fish, shrimp, corals, and plants alike. - β€’ **Trusted by Experts Worldwide:** Developed with aquascapers and breeders for reliable, stable water quality. - β€’ **Accelerate Your Aquarium Cycle:** Shortens cycling phase so you can stock fish safely, faster. ## Overview ARKA Nite-Out II is a 118 ml liquid starter bacteria solution designed to jumpstart biological filtration in small aquariums. It rapidly reduces harmful ammonia and nitrite levels through natural bacterial action, stabilizing water quality and enabling safe fish and coral stocking sooner. Safe for all freshwater and saltwater tanks, this organic formula requires no mixing and is trusted globally by aquatic professionals. ## Description From the manufacturer Microbe-Lift Nite-Out II - Starter Bacteria The quick and safe start for your saltwater and freshwater aquarium Fish, plants and corals should feel as comfortable in the aquarium as in their natural environment. However, not every water is immediately suitable for fish and plants, as a balance of healthy bacteria is missing in tap or osmosis water. Without a bacterial starter, this means a week-long retraction phase in which biology forms uncontrollably in the aquarium before you can occupy it with animals. So that your aquarium is immediately and controlled biologically active and becomes a safe and optimal habitat for your plants and fish from the first day, we have the solution for you: Microbe-Lift Nite-Out II Nite-Out II begins the breakdown of ammonium, ammonia and nitrite immediately after dosage. So you can fill your saltwater aquarium with corals at the start and after a few days with fish. Freshwater aquariums can be filled with plants and fish at the start thanks to Nite-Out II. For an optimal start of your aquarium, use Nite-Out II together with Microbe-Lift Special Blend. The joy of your aquarium begins for you and your aquarium inhabitants on the first day Dosage New Aquarium Add 10 ml to 100 litres of water daily until ammonium/ammonia/nitrite is no longer measurable. Maintenance and care Add 10 ml/100 litres of water once with each water change or trim with new animals. Can be used for any saltwater and freshwater aquarium. Nite-Out II can be safely used for any saltwater and freshwater aquarium thanks to its special formula. For working nitrification Nite-Out II ensures sustainably functioning nitrification: Ammonium/ammonia -> nitrite -> nitrate Made from pure organic components. The live bacterial strains contained in Nite-Out II start working immediately after dosage and do not need to develop. Together with Microbe-Lift Special Blend, it allows a safe aquarium start. Contains pure organic ingredients Nite-Out II contains only pure organic ingredients making it safe for use in any aquarium. Review: Life saver! - Had a well established nano brackish Opae shrimp tank that got badly contaminated by a rogue clump of seaweed popped in by a well meaning friend's little girl. No amount of partial water changes could clear the think stringy brown mess in the tank so grabbed some of this and just had to start afresh. Opaes are hardy l know, but even so, cycling a tank from scratch with them in worried me sick. Needn't have stressed out - this stuff is a life saving miracle! Yes it does pong a bit, and it has to be kept in the fridge, but its kept all parameters safe, water is clear and my shrimps are cherry red and happy bunnies again. Really impressive stuff!! Review: Good product. - Works well on new tanks and when changing water to get rid of HIGH nite. ## Features - Use biocides safely. Always read the label and product information before use. - Safe start for small tanks: Ideal for nano and beginner aquariums – shortens cycling phase and allows safe fish stocking sooner – supports stable, healthy water values. - Natural ammonia reduction: Converts harmful compounds biologically – protects fish and shrimp from nitrite peaks – ensures clear, balanced water. - Compact & efficient: Biological starter bacteria for quick stabilisation – works naturally without chemicals – perfect for community tanks. - Easy to use: Add directly to the tank water – no mixing required – safe for fish, shrimp, corals and plants – no overdose risk. - ARKA quality: Developed with aquatic experts for reliable aquarium starts – trusted by breeders and aquascapers worldwide. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B005A3X9YQ | | Allergen Information | Allergen-Free | | Best Sellers Rank | 4,628 in Pet Supplies ( See Top 100 in Pet Supplies ) 46 in Aquarium Water Treatments | | Brand | ARKA | | Brand Name | ARKA | | Country Of Origin | USA | | Customer Reviews | 4.7 out of 5 stars 2,652 Reviews | | EU Spare Part Availability Duration | 2 Years | | Global Trade Identification Number | 00097121211187 | | Included Components | 1x Nite-Out II 118 ml | | Item Form | Liquid | | Item Type Name | NITEH04US | | Item Weight | 0.13 Kilograms | | Item form | Liquid | | Item weight | 0.13 Kilograms | | Liquid Volume | 118 Millilitres | | Liquid volume | 118 Millilitres | | Manufacturer | ARKA Biotechnologie GmbH | | Manufacturer Part Number | NITEH04US | | Model Number | NITEH04US | | Product Warranty | 12 | | Target Species | Fish | | UPC | 097121211187 | | Unit Count | 118.0 millilitre | | Unit count | 118.0 millilitre | ## Product Details - **Brand:** ARKA - **Liquid volume:** 118 Millilitres - **Item weight:** 118 Grams - **Item form:** Liquid - **Manufacturer:** ARKA Biotechnologie GmbH ## Images ![Starter Bacteria Aquarium 118 ml - Nite-Out II Safe Start & Water Change | cycling phase, against nitrite, ammonium, poor water values, after medication & restart, fish tank, freshwater, saltwater - Image 1](https://m.media-amazon.com/images/I/71PB7mmpFcL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Life saver! *by D***B on 24 October 2025* Had a well established nano brackish Opae shrimp tank that got badly contaminated by a rogue clump of seaweed popped in by a well meaning friend's little girl. No amount of partial water changes could clear the think stringy brown mess in the tank so grabbed some of this and just had to start afresh. Opaes are hardy l know, but even so, cycling a tank from scratch with them in worried me sick. Needn't have stressed out - this stuff is a life saving miracle! Yes it does pong a bit, and it has to be kept in the fridge, but its kept all parameters safe, water is clear and my shrimps are cherry red and happy bunnies again. Really impressive stuff!! ### ⭐⭐⭐⭐⭐ Good product. *by J***O on 3 March 2026* Works well on new tanks and when changing water to get rid of HIGH nite. ### ⭐⭐⭐⭐⭐ Good value for money *by V***A on 25 August 2025* This item helped me to set up new aquarium, also use this every time when changing water to keep my fish healthy. --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/72613769-starter-bacteria-aquarium-118-ml-nite-out-ii-safe-start](https://www.desertcart.us/products/72613769-starter-bacteria-aquarium-118-ml-nite-out-ii-safe-start) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-08-07*