Description
Product Overview
The API Water Softener Pillow is a specialized filtration pouch designed to address hard water issues in freshwater aquariums. Manufactured by Mars Fishcare, this product measures 4.5 x 1 x 7.38 inches and weighs 2.4 ounces, with model number 49A. It works by lowering general hardness through the reduction of calcium and magnesium, ensuring a stable environment for aquatic life. The pouch is pre-dosed for convenience and fits a wide range of canister filters, making it a versatile solution for aquarium maintenance.

Usage
This water softener pillow is intended for use in freshwater aquariums when water testing reveals hardness levels above the desired range. It is suitable for both new aquarium setups and ongoing maintenance, helping to prevent scale buildup and support fish health. Aquarium hobbyists, from beginners to experts, can benefit from its easy installation and reusable nature, applying it during routine filter checks or water changes.
Why Choose Us
Mars Fishcare is a trusted name in pet supplies, with this product ranking highly in aquarium filter accessories. The API Water Softener Pillow stands out for its reliability and efficiency, backed by positive customer reviews and a long-standing presence since 2004. Its reusable design offers cost-effectiveness, while the precise formulation ensures consistent performance without harming aquatic ecosystems.
Key Features
- Softens hard water by reducing calcium and magnesium levels
- Easy-to-use pre-dosed pouch compatible with most canister filters
- Reusable after recharging for extended value and sustainability
- Ideal for starting or maintaining freshwater aquariums
- Compact and lightweight design for simple integration into filter systems
FAQ
How often should I recharge the water softener pillow?
Recharge the pillow when it becomes saturated, typically after several weeks of use, by following the manufacturer’s instructions to restore its softening capacity.
Can I use this product in saltwater aquariums?
No, this water softener pillow is specifically designed for freshwater aquariums and may not be effective or safe for saltwater environments.
What size filters does the pouch fit?
It is compatible with most standard canister filters on the market, but always check your filter’s specifications to ensure proper fit and function.
How quickly does it reduce water hardness?
Reduction in hardness begins shortly after installation, with noticeable changes within a few days depending on initial water conditions and aquarium size.
Is it safe for all types of fish?
Yes, when used as directed, it is safe for freshwater fish and helps maintain a healthier aquatic habitat by stabilizing water parameters.




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