Due to the size, weight, or nature of certain items, we are not able to physically stock them in our warehouse, but in most cases, they are in stock with the manufacturer and are available to be shipped directly to you. Delivery times may vary depending on the manufacturer's location and the orders final destination. In most cases, orders are placed with the distributor within 2 business days of receiving the order and delivery can be expected within approximately 1 to 2 weeks. Expedited shipping methods are unavailable for drop shipped items.
Drop shipped items are only available to the contiguous 48 state USA.
Your Satisfaction Guaranteed With 365 Day Risk Free Returns
No longer need what you ordered? Ordered one too many? We've got your back.
Return new, unopened products in original packaging within 365 days for a full refund.
Under 60 days? No problem. We’ll issue your refund to the original form of payment. Over 60 days? Still no problem. We'll issue your refund in the form of store credit, which you can use like cash on our website.
Return unused, open box products within 30 days.
Open box but still unused? We can help. We’ll issue your refund to the original form of payment minus a small 10% restocking and handling fee.
For use with Maxspect Nano-Tech Anaerobic-Blocks to foster the growth of anaerobic heterotrophic bacteria in your aquarium.
Recommended Use:
Stack two Anaerobic-Blocks horizontally directly in sump, placing a Denitrification Catalyst between the two blocks. The Denitrification Catalyst should be replaced every 2 months, while the blocks themselves will need to be cleaned or replaced roughly every 6 months.
