API Water Softener Pillow 1 ct, Size 5

If your aquarium water runs hard, this API Water Softener Pillow, Size 5, gives you a simple, reusable way to bring it back into a gentler range. Sized for tanks up to 20 gallons, this single pillow tucks into your setup and goes to work on the minerals that push hardness up, all without adding anything harmful to the water your fish swim in. It is a low-fuss helper for owners who want softer water with less guesswork.

• Removes calcium and magnesium, the minerals most responsible for hard water in your aquarium.
• Also removes soluble heavy metals, clearing out trace elements you would rather not have in the tank.
• Lowers hardness and softens water, helping you reach a more comfortable balance for your fish.
• Does not add harmful ingredients, so you are improving the water without trading one problem for another.
• Sized for aquariums up to 20 gallons, making it a tidy fit for small and mid-size tanks.
• Comes as one pillow, so you know exactly what you are putting to work.
• The convenient pouch is fully rechargeable, letting you refresh and reuse it rather than tossing it after one round.
• Drops into your filtration setup without complicated mixing or measuring.
• A reusable approach that keeps softening simple over the long haul.
• An easy way to take charge of water hardness in a smaller aquarium.

Hard water is one of those background issues that is easy to overlook until it starts affecting your tank, and a softener pillow like this one lets you stay ahead of it. Place it according to the directions, recharge the pouch when it is time, and you have a dependable, reusable tool for keeping hardness in check. Softer, better-balanced water is one of the kinder things you can do for the fish in your care, and this Size 5 pillow makes that goal refreshingly reachable for tanks up to 20 gallons.