Check the listing for details. API QUICK START Freshwater and Saltwater Aquarium Nitrifying Bacteria 1-Ounce Bo. Condition: New. Listed at 4.66 USD. 100% GenuineFree Shipping Great ServiceWelcome to Mark Down Merchant API QUICK START Freshwater and Saltwater Aquarium Nitrifying Bacteria 1-Ounce Bottle, Blues & Purples- Contains one (1) API QUICK START Freshwater and Saltwater Aquarium Nitrifying Bacteria 1-Ounce Bottle - Allows instant addition of fish when starting a new aquarium - Reduces compounds harmful to fish when used routinely - Helps prevent fish loss in freshwater and saltwater aquariums - Use when starting a new aquarium, when adding new fish and when changing water and filter media PaymentsWe accept all payment methods that eBay accepts! ReturnsWe DO NOT accept returns. All sales are final sale. No returns will be accepted and no refunds will be provided. If your item arrives damaged please message me! ShippingAll orders are processed within 2-3 business days. Orders are not shipped or delivered on weekends or holidays. If we are experiencing a high volume of orders, shipments may be delayed by a few days. Please allow additional days in transit for delivery. If there will be a significant delay in shipment of your order, we will contact you.