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Win the World's First Floating Algae Scrubber—$500 value! ENTER NOW

FREE Economy Shipping, No Minimum Purchase!

Marine Depot now offers FREE economy shipping with no minimum purchase for 99% of the products we carry! Orders under $299 are shipped FREE using a mix of economy shipping methods including USPS First Class Mail, SurePost and UPS Ground. These shipments are typically delivered in 5-7 business days. Orders placed Monday-Friday before 10:30 am PST are shipped the same day. This offer is valid for orders shipped within the contiguous U.S. only. Frozen foods, live foods, and items shipped directly from the manufacturer do not qualify for this special offer.


$4.99 Upgraded 1-5 Day Shipping (FREE for orders $299+)

This is the shipping method most Marine Depot customers are accustomed to and is really the sweet spot for service and value. Thanks to our two strategically placed warehouse locations, over 90% of Marine Depot shoppers receive their orders within 2 business using this level of service (UPS Ground).

UPS Ground shipping is available for only $4.99 but is FREE with orders over $299. This shipping upgrade speeds delivery time to 1-5 business days. This offer is valid for orders shipped within the contiguous U.S. only. Frozen foods, live foods, and items shipped directly from the manufacturer do not qualify for this special offer.

Click here to read more detailed information about our shipping policies and procedures

Upgraded Shipping Map

Transit Days

  • 1 Day
  • 2 Day
  • 3 Day
  • 4 Day
One Day Shipping
Shipped on: Monday Tuesday Wednesday Thursday Friday
Arrives on: Tuesday Wednesday Thursday Friday Monday
Two Day Shipping
Shipped on: Monday Tuesday Wednesday Thursday Friday
Arrives on: Wednesday Thursday Friday Monday Tuesday
Three Day Shipping
Shipped on: Monday Tuesday Wednesday Thursday Friday
Arrives on: Thursday Friday Monday Tuesday Wednesday
Four Day Shipping
Shipped on: Monday Tuesday Wednesday Thursday Friday
Arrives on: Friday Monday Tuesday Wednesday Thursday

$19.99 Fresh Frozen Food Delivery

Frozen foods are delivered 1-3 business days from the day your order ships. Frozen foods are shipped every Monday and Tuesday. Shipping cut-off is Tuesday at 10 am PST (1 pm EST). Orders received after 10 am PST on Tuesday will be shipped the following week. Shipping and handling is a $19.99 flat-rate charge so you can order as much or as little as you like.

Click here to read more detailed information about our frozen food shipping procedure


International Shipping and Delivery

Orders not shipped within the contiguous United States—the 48 U.S. states on the North American continent south of Canada plus the District of Columbia—are considered international orders. International orders are not eligible for Marine Depot’s free shipping promotions and additional surcharges may apply. It is important to note that not all products we carry can be shipped internationally. Any brokerage fees, tariffs and/or taxes will be billed to you directly by the shipping courier. International customers must use the same billing and shipping address.

Click here to read more detailed information about international shipping costs and restrictions

  • Saltwater Aquarium Supplies (Category)
  • Additives & Supplements (Category)
  • Calcium (Category)
  • Kent Marine (Brand)
  • $10 - $20 (Price Range)

Categories

  • Dry Supplements
  • Kalkwasser
  • Liquid Supplements
3 Results
Kent Marine Turbo Calcium

Kent Marine Turbo Calcium

From $13.99

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Kent Marine Liquid Calcium

Kent Marine Liquid Calcium

From $7.99

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Kent Marine Kalkwasser

Kent Marine Kalkwasser

From $9.99

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