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MarcoRocks Foundation Rock
Reef
IMPORTANT: Requests pertaining to size, dimension and shape are NOT guaranteed unless custom hardscape is purchased. For more information, please send our team an email. All stones and driftwood are natural items (unless otherwise noted) and variations in shape, size, color and natural markings and/or characteristics may or may not be present.
Due to the high volume of hardscape orders received, we cannot send photos of current inventory available or accommodate detailed customization. All hardscape sales are FINAL and are not eligible for return or exchange unless you have received the incorrect item(s).
Due to the high volume of hardscape orders received, we cannot send photos of current inventory available or accommodate detailed customization. All hardscape sales are FINAL and are not eligible for return or exchange unless you have received the incorrect item(s).
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Foundation Rock - Flat-Bottom Rock Base for Saltwater Aquariums
Foundation Rock by Marco Rocks is a precision cut version of Reef Saver Rock. These rocks feature a smooth, flat bottom, providing a stable and secure base layer for your aquarium aquascape. A stable foundation supports complex rock structures while improving water flow and minimizing dead zones around the substrate.
Like Reef Saver Rocks, Foundation Rocks are 100% natural calcium carbonate sourced from ancient, fossilized reef formations. Each rock is free of chemicals, additives, and dyes allowing the rocks to stand apart in quality, sustainability, and performance. All rocks are chosen based on color, high porosity and structural integrity. All Marco Rocks undergo a proprietary cleaning process that is free from chemicals, ensuring each piece is ready for use. Marco Rocks is an environmentally conscious and aquarium hobbyist trusted brand!
What we like about MarcoRocks Foundation Rock
Reef Safety: Foundation Rocks feature no chemical treatments and are pest-free and reef safe. Enjoy an eco-friendly and sustainable choice. MarcoRocks are never harvested from live reefs.
High-Quality: Foundation Rocks are ultra-porous and support biological filtration. Each rock features a smooth, flat bottom for stability and easy placement. Great for supporting main rockwork in the tank.
How many pounds do I need?
We advise 2 x Tank volume in gallons = Total amount of pounds required
Related Products
Shipping, Returns and Refunds
Shipping
Live plants are shipped Monday - Friday for all west coast orders. For all remaining states, live plants will only be shipped Monday through Wednesday and Friday to ensure they arrive at your doorstep 100% healthy.
Rimless aquariums will be shipped throughout the week via UPS or Fedex Ground. For more information, please visit our FAQ page.
Returns
Hard goods can be returned up to 14 days after receipt of purchase. Buyer is responsible for return shipping.
Due to its nature, we are unable to accept returns for live plants. In the unlikely event you are unsatisfied in any way, please contact us ASAP. We provide 100% DOA (Dead On Arrival) protection.
To be eligible for a refund/store credit, please contact us within 12 hours of receiving it and provide a photo of the item in its original packaging.
Refunds
No worries, we’ll take care of everything as long as it fits the guidelines above.
Most answers to general questions can be found on our FAQ page.
Live plants are shipped Monday - Friday for all west coast orders. For all remaining states, live plants will only be shipped Monday through Wednesday and Friday to ensure they arrive at your doorstep 100% healthy.
Rimless aquariums will be shipped throughout the week via UPS or Fedex Ground. For more information, please visit our FAQ page.
Returns
Hard goods can be returned up to 14 days after receipt of purchase. Buyer is responsible for return shipping.
Due to its nature, we are unable to accept returns for live plants. In the unlikely event you are unsatisfied in any way, please contact us ASAP. We provide 100% DOA (Dead On Arrival) protection.
To be eligible for a refund/store credit, please contact us within 12 hours of receiving it and provide a photo of the item in its original packaging.
Refunds
No worries, we’ll take care of everything as long as it fits the guidelines above.
Most answers to general questions can be found on our FAQ page.
