Pond Care Ammo-Rocks are ideal for use in ponds and water gardens. New ponds and mature ponds at the start of the season do not have enough nitrifying bacteria to control ammonia and nitrite levels. It can take up to 6 weeks to for the biological filter to fully develop. It is during this break-in period that most fish are killed by ammonia. Ammo-Rocks effectively remove toxic ammonia from your pond.
*Free ground shipping on selected quantities available within contiguous USA only.
Pond Care Mix and Match Sale!
Purchase any three Pond Care products and receive FREE shipping to your door!**
Shipping cost will be manually deducted when your order is processed. Minimum $99 order applies.
Offer valid while supplies last. Products must ship to single address within contiguous USA.
**Pond Care Mix and Match Sale applies to online orders placed for Pond Care products only. Free shipping offer does not
apply to other product lines purchased on same order. Offer cannot be combined with other special deals or discount offers.
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