2 - 5.5mm
So many choices try them all! More than just aragonite!
CaribSea's dry marine substrates are recognized worldwide for their purity and precision. Our substrates are purposely engineered and free of impurities such as ash, metals, pesticides, and silica; which allows you to create a safe and beautiful environment for your fish and invertebrates. Precision grading makes system design a breeze! No matter what type of system you are setting up, we have the substrate that's perfect for the filtration method and habitat you are creating.
Love it or return it! We want you to be happy with your purchase.
If you're not completely satisfied, most products qualify for a return within 30 days of purchase. Just contact us and we'll help you with the process.
Please note:
You'll be responsible for return postage.
Return the product in original packaging with all accessories.
We aren't liable for lost returns, so consider tracking and/or insurance.
Warranty Claims
Many products come with a 12-month warranty against manufacturer defects. Check the product description for specific warranty details.
Aussie Warranties & 30-Day Happiness Guarantee
We stand behind the quality of our products! All come with Australian manufacturer warranties, and on top of that, we offer a 30-day satisfaction guarantee. So, if you're not thrilled with something (for any reason!), just send it back unopened, unused, and in original packaging within 30 days.
Hassle-Free Returns (Just Contact Us First!)
To return an item, shoot us a message through your Catch account before sending it back. This helps us track your return and process it quickly. Include your details and the reason for the return so we can get you sorted ASAP.
Please Note:
You'll be responsible for covering the return shipping costs, even for warranty issues.
We can't take responsibility for lost or damaged items during return transit.
Depending on the situation, we may offer a replacement, exchange, or refund (minus shipping costs) when we receive your return.
Estimated Delivery Time Frame: 5 - 10