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When soaked in water, these 1.4 lb bricks will expand to 5 times their size. Coir helps plants better retain nutrients and gets essential aeration to the roots-plus it's pH neutral and completely natural. Use it alone, or mixed into garden soil! Each brick takes about 1 gallon of water to expand to its full size.
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🇺🇸 Ship from USA · On Agora since 2025
$12.99