# AQUANEAT 50W Aquarium Heater with Thermometer | Preset 78°F for 5-10 Gallon Tanks **Brand:** AQUANEAT **SKU:** fxp7158 **ASIN:** B0DB7S6WCK **Canonical URL:** https://crowcrowcrow.com/p/aquaneat-aquarium-heater-50w-small-betta-fish-tank-mini-preset-water-thermostat/fxp7158 **Category:** health-supplement **Subcategory:** Categories **Availability:** in_stock **Price (INR, all-inclusive):** ₹1,700 **Discount:** 25% **Customer rating:** 3.30/5 from 143 ratings ## Description AQUANEAT 50W Aquarium Heater, preset to 78°F for Betta and tropical fish in 5-10 gallon tanks. Mini size, plug-and-play setup, with indicator light and thermometer sticker. Fully submersible and safe for freshwater/saltwater. Arrives in 13-15 days. ## Highlights - Ideal for Small Tanks — Compact 4.5-inch size fits 5-10 gallon tanks, maintaining optimal water flow and visibility without taking up excessive space. - Preset 78°F Temperature — Perfect for Betta and tropical fish, this heater requires no extra setup. Just plug it in for a stable 78°F environment, ensuring fish comfort. - Easy Indicator Light — A clear red light indicates heating, while green signifies resting, allowing for a quick daily check of the heater's operational status. - Includes Thermometer Sticker — Monitor your aquarium's temperature easily with the included sticker thermometer, ensuring the preset 78°F is maintained accurately. ## Key features - Mini Size: The heater is only 4.5” in length making it a great choice for small sized tanks from 5 to 10 gallons without taking up much space and obscuring the viewing area - Easy to Use: The small 50W aquarium heater is preset to 78°F which is a perfect temp for Betta and most of other tropical fishes, and no extra setup needed just plug and play. The heater should be placed in the area with water flow circulation in the fish tank to ensure even water temperature throughout the tank - Easy to Check: The indicator light turns red when it is heating and it turns green when it is resting so it is easier to do a quick check every day - Includes: 1x 50W Small Aquarium Heater, 1x Suction Cup, 1x Free Thermometer Strip - Cautions: Always keep it fully submerged under water before plugged in, and unplug it and wait for at least 10 mins before you do aquarium maintenance or take it out of water ## Why choose this product **Reliable Heating for Small Aquariums** — This AQUANEAT 50W heater is specifically designed for small tanks, ensuring a stable 78°F environment crucial for Betta and tropical fish. Its compact size and plug-and-play functionality make it incredibly easy to use, even for beginners. The integrated indicator light and included thermometer sticker provide clear operational feedback. Safe for both freshwater and saltwater, it's a dependable choice for maintaining your aquatic pets' well-being. While the original voltage is 110V, requiring a transformer for India's 230V supply, it offers a cost-effective solution for precise tank heating. **Who It's For vs. Who Should Skip It** — This heater is perfect for owners of small Betta tanks (5-10 gallons) or nano aquariums needing a consistent 78°F. It's ideal for those who want a simple, preset solution without complex controls. Skip this heater if your tank is larger than 10 gallons, as it won't provide adequate heating. Also, if you require precise temperature control beyond the preset 78°F, or if you are unable to use a step-down transformer for the 110V power supply in India, consider a different model. It is not suitable for ambient room temperatures below 60°F without a more powerful unit. ## How to use 1. Before plugging in, ensure the heater is fully submerged in your aquarium water. Place it in an area with good water circulation to help distribute heat evenly throughout the tank. — Prepare the Heater 2. Plug the heater into a compatible 110V power source using a step-down transformer (required for India's 230V mains). The indicator light will turn red when heating and green when resting. — Connect to Power 3. Use the included thermometer sticker or a separate aquarium thermometer to check the water temperature. Note that ambient room temperature can cause slight fluctuations (±3°F). — Monitor Temperature 4. Always unplug the heater and wait at least 10 minutes before performing any aquarium maintenance or removing it from the water to prevent damage. — Maintenance Safety ## Product details | Field | Value | |---|---| | Instructions | Fully submerge heater before plugging in. Place in area with good water circulation. Unplug and wait 10 minutes before maintenance or removal. | | Serving Size | 1 unit | | Cost per use | 1 unit at ₹1,700 — ₹1,700 per unit | | Shelf life after opening | N/A (Durable product) | | Reapplication math | N/A (Durable product) | | Contraindications | Tank larger than 10 gallons, ambient room temp below 60°F without a more powerful heater, inability to use a step-down transformer for 110V. | | Allergens / common irritants | N/A | | Brand | AQUANEAT | | Model Name | Heater with Thermometer | | Model Number | G408 | | Color | Black | | Material | Glass tube, Plastic housing | | Dimensions | 4.5” x 0.8” x 0.8” (11.4 cm x 2 cm x 2 cm) | | Weight | 0.118 kg (0.26 lb) | | Power | 50 W | | Voltage | 110/60Hz (Requires 230V to 110V step-down transformer for India) | | Power Cord Length | 3.6 ft (1.1 m) | | Recommended Tank Size | 5 to 10 gallons (approx. 19 to 38 litres) | | Preset Temperature | 78°F (25.5°C) | | Country of Origin | Not stated by manufacturer — US retail version, sourced from authorized US retailers | ## Frequently asked questions ### What wattage aquarium heater do I need for my tank? For small tanks, a 50W heater like this AQUANEAT model is suitable for 5 to 10 gallons. A general guideline is 1 watt per litre. For larger tanks, you would need a more powerful heater. Always check the product's recommended tank size range to ensure adequate heating. ### Will this aquarium heater work on Indian mains power? This AQUANEAT heater is rated for 110/60Hz voltage. India uses 230V/50Hz. Therefore, you MUST use a step-down transformer (230V to 110V) for safe operation. The plug is a US type, so an appropriate adapter may also be needed. ### How do I set up the AQUANEAT 50W Aquarium Heater? Setup is simple: fully submerge the heater in your tank (ensure it's in an area with good water flow) BEFORE plugging it into a compatible 110V outlet via a transformer. The indicator light will show when it's heating. Unplug and wait 10 minutes before any maintenance. ### Is this heater safe for Betta fish? Yes, the AQUANEAT 50W heater is preset to 78°F (25.5°C), which is an ideal temperature for Betta fish and most tropical species. Its mini size and reliable heating make it a good choice for Betta tanks. ### Can I use this heater in a saltwater aquarium? Yes, the AQUANEAT 50W Aquarium Heater is stated to be safe and reliable for use in both freshwater and saltwater aquariums. ### How accurate is the temperature setting? The heater is preset to 78°F. However, ambient room temperature can cause fluctuations of ±3°F. For precise temperature control, especially in varying room conditions, monitor with the included thermometer sticker or a separate aquarium thermometer. ### What if my room temperature is below 60°F? If your room temperature consistently drops below 60°F (15.5°C), this 50W heater may struggle to maintain the target 78°F. In such cases, it is recommended to choose a more powerful heater suitable for colder ambient conditions. ## Compliance No product-specific compliance warnings identified. Standard imported-goods terms apply: customs duties & GST paid; for personal use in India; follow the manufacturer's usage instructions on the packaging. ## Images 1. https://images.crowcrowcrow.com/B0DB7S6WCK-0.webp 2. https://images.crowcrowcrow.com/B0DB7S6WCK-3.webp 3. https://images.crowcrowcrow.com/B0DB7S6WCK-6.webp 4. https://images.crowcrowcrow.com/B0DB7S6WCK-9.webp 5. https://images.crowcrowcrow.com/B0DB7S6WCK-12.webp 6. https://images.crowcrowcrow.com/B0DB7S6WCK-15.webp --- Source: https://crowcrowcrow.com/p/aquaneat-aquarium-heater-50w-small-betta-fish-tank-mini-preset-water-thermostat/fxp7158 Returns: 14 days, free pickup, full refund on genuine issues. Shipping: Free across India, 13-15 days. Prices are all-inclusive (duties + GST).