Where exactly in the filter is this pillow supposed to go?

preferably in your filter or somewhere with a lot of water movement

What is the recharging process?

3 tablespoons aquarium salt dissolved in 7 ounces of tap water, use a shallow dish. Rinse the pillow after removing from filter area and soak in salt solution for 2 hrs. Always store pillow in salt solution when not using. Discard pillow when it is no longer effective (check the water hardness to verify.) I use a plastic Chinese to-go dish, the white rectangular ones.

Does it hurt to leave the pillows in the filter until next water change? Will it shorten the life of the pillows (x's you can recharge)?

The instruction I found online say that it should not be left in for long periods. And, you can recharge it with sunlight, if you use it for the period of time only long enough to get the change you are looking for in the water. Thanks my experience.

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API WATER SOFTENER PILLOW Aquarium Canister Filter Filtration Pouch 1-Count Bag

Product ID: 9147455

Details

Brand
API
Item Form
Granules
Item Weight
23 Grams
Number of Packs
1
Unit Count
1 Count

💧Reduces water hardness by lowering Ca & Mg

♻️Reusable after salt recharge

🛠️Fits most canister filters easily

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Description

💧 Soft water, happy fish — upgrade your tank’s vibe effortlessly!

EFFORTLESS INTEGRATION - Pre-dosed pouch designed to fit seamlessly into most canister filters—no guesswork needed.
ECO FRIENDLY REUSABILITY - Recharge and reuse the pillow with a simple salt solution, cutting down waste and cost.
PROTECTS YOUR AQUATIC LIFE - Removes heavy metals and mineral deposits, creating a healthier habitat for your fish and plants.
CRYSTAL CLEAR AQUARIUM WATER - Softens hard tap water by reducing calcium and magnesium for a pristine aquatic environment.
TRUSTED BY EXPERTS FOR 50 YEARS - Backed by API’s legacy of innovative, research-driven aquarium care solutions.

The API Water Softener Pillow is a pre-dosed filtration pouch that reduces water hardness by lowering calcium and magnesium levels in freshwater aquariums. Compatible with most canister filters, it removes heavy metals and mineral deposits to protect aquatic life. Rechargeable and reusable, it offers an eco-conscious solution trusted by aquarium enthusiasts for over 50 years.

Specifications

ASIN	B002DW0GQQ
ASIN	B002DW0GQQ
Allergen Information	Apple Free
Best Sellers Rank	#12,317 in Pet Supplies ( See Top 100 in Pet Supplies ) #80 in Aquarium Filter Accessories
Brand Name	API
Customer Reviews	4.2 4.2 out of 5 stars (3,443)
Date First Available	June 15, 2004
Department	Unisex-Adult
Global Trade Identification Number	00317163001493
Included Components	16 Oz Bottle Of Algaway 5.4 Algaecide
Is Discontinued By Manufacturer	No
Item Form	Granules
Item Type Name	Aquarium Filtration Media
Item Weight	23 Grams
Item model number	49A
Manufacturer	Mars Fishcare
Manufacturer	Mars Fishcare
Manufacturer Part Number	49A
Model Number	49A
Pet Type	Fish
Product Dimensions	4.5 x 1 x 7.38 inches; 0.81 ounces
Target Species	Fish
UPC	317163001493
Unit Count	1 Count

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