Description
Product Overview
The eWonLife 3.5 Gallon Self Cleaning Fish Tank is engineered to deliver a premium aquarium experience in a compact footprint. Constructed from high‑clarity, impact‑resistant polymer, the tank offers crystal‑clear visibility while resisting scratches and cracks. Its dimensions—15 inches long, 7.9 inches wide, and 8.3 inches high—provide a generous 3.5‑gallon swimming space, ideal for betta fish, shrimp, and small community species. The integrated hidden multi‑stage filtration system combines a sponge pre‑filter, ceramic rings, and quartz media to cultivate beneficial bacteria, ensuring water remains clear and healthy with minimal maintenance. A built‑in 50‑watt heater maintains a constant 78°F, while the digital thermometer offers precise temperature monitoring. Energy‑efficient LED lighting delivers a vibrant, adjustable spectrum that highlights fish colors and promotes plant growth without generating excess heat. All components—including heater, filter, and water changer—are discreetly housed within the tank’s base, delivering an uncluttered, aesthetically pleasing view.
![[Product front view showing all components]](https://www.zilvo.store/wp-content/uploads/2026/08/243e6f47b2a54e6b8cf52fc9d139e1f4.jpg)
Usage
This aquarium kit is designed for both novice hobbyists and seasoned aquarists seeking a low‑maintenance, all‑in‑one solution. Place the tank on a sturdy desk, bookshelf, or balcony railing to create an eye‑catching centerpiece in any room. The self‑cleaning filtration system reduces the need for daily water changes, allowing owners to focus on feeding, observation, and occasional topping‑off. The heater and thermometer work together to replicate tropical conditions, making the tank suitable for betta fish, dwarf shrimp, and small schooling fish such as neon tetras or guppies. The LED light can be set to a gentle day‑night cycle, supporting natural behaviors and enhancing the visual appeal during evening gatherings. Because the tank is lightweight yet durable, it can be easily relocated during seasonal moves or home renovations without risking damage to the glass‑like acrylic structure.
Why Choose Us
Choosing the eWonLife Self Cleaning Fish Tank means investing in quality, reliability, and thoughtful design. The hidden multi‑stage filtration not only simplifies setup but also extends the lifespan of water‑conditioned equipment by protecting it from debris and algae buildup. Our proprietary acrylic blend resists yellowing, ensuring the tank remains bright and clear for years. The included 1‑year warranty reflects our confidence in product durability and provides peace of mind for customers. Additionally, eWonLife offers 24/7 customer support, ready to assist with assembly, troubleshooting, or any questions about fish care. By integrating essential accessories—heater, thermometer, LED light, and water changer—into a single package, we eliminate the need for separate purchases, reducing overall cost and simplifying the buying experience.
Key Features
- Compact 3.5‑gallon design fits on desks, shelves, or balconies, saving space while providing ample room for small fish.
- Hidden multi‑stage filtration system with sponge, ceramic rings, and quartz media promotes a healthy bacterial colony for crystal‑clear water.
- Built‑in 50‑watt heater maintains a stable 78°F, reducing stress and supporting tropical fish metabolism.
- Energy‑saving LED light offers adjustable spectrum for vibrant fish colors and optional plant growth.
- One‑year warranty and 24/7 customer support ensure reliable after‑sales service and peace of mind.
FAQ
What size fish can I keep in this 3.5 gallon tank?
The tank is perfect for a single betta fish, a small group of dwarf shrimp, or a modest community of tiny schooling fish such as neon tetras or guppies. Overcrowding should be avoided to maintain water quality.
How often do I need to change the water?
Thanks to the hidden multi‑stage filtration, weekly partial water changes of about 20% are sufficient for most setups. The water changer accessory makes this process quick and mess‑free.
Is the LED light safe for fish?
Yes, the LED light is specifically calibrated for aquarium use. It provides a gentle, full‑spectrum illumination that mimics natural daylight without emitting harmful UV rays.
Can I add live plants to this aquarium?
Absolutely. The LED light supports low‑light plant species such as Java moss, Anubias, or Cryptocoryne. The filtration system helps maintain nutrient balance for healthy plant growth.
What does the warranty cover?
The one‑year warranty covers any manufacturing defects in the tank, filtration components, heater, thermometer, and LED light. It does not cover damage caused by misuse, accidental breakage, or improper maintenance.








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