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× Image of the API WATER SOFTENER PILLOW 4OZ package. The blue and yellow packaging emphasizes filtration media to reduce aquarium water hardness. The label highlights its effectiveness for up to 5 filters, ensuring a balanced aquatic environment. API WATER SOFTENER PILLOW 4OZ $7.99
$7.99

Cart totals

Subtotal $7.99
Product Shipping

Shipping to WI.

Tax $0.48
Total $8.47
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