Seachem Matrix Carbon
Activated Carbon Media
MatrixCarbon™ is a truly unique activated carbon. It is formed as a spherical bead for optimum hydrodynamics, and will not pack. It permits maximum water flow and contact with its high density of macroporous binding sites. MatrixCarbon™ has a very low ash content as indicated by its minimal impact on pH. Even when added to distilled water, it does not raise pH above 7.0. While all carbons contain phosphate, regardless of false claims to the contrary, MatrixCarbon™ has the lowest detectable leachable phosphate content of all major carbon brands tested. MatrixCarbon™ outperforms other high grade carbons by at least two-fold when compared for total capacity to remove aquarium organic matter, rate of adsorption, and duration of use.
While carbon is generally considered to be a chemical filter, that is not precisely true. It is in fact a mechanical filter as well, but it is only capable of mechanically filtering objects of molecular size. It functions through extremely small cracks and crevices, called macropores and micropores. Microporous carbons remove primarily metals and smaller ions (like trace minerals) and are best suited to air filtration, while macroporous carbons remove primarily larger organic molecules (like nitrogenous waste) and are best suited to water filtration.
The ingredients from which a carbon is manufactured determine whether it will be macro- or microporous. Carbons made from coconut shell and other organic products form microporous carbons, while carbons made from bituminous coal form macroporous carbons. MatrixCarbon™ is a bituminous coal-based, macroporous carbon. It is the only spherical carbon on the market, allowing for maximum water flow. It is sized to allow full penetration by water, but not small enough to escape filter bags. All carbons contain phosphate. However, that phosphate DOES NOT come from washing the carbon with phosphoric acid. Most carbons are washed with sulfuric acid. The phosphate is contained in the ash from the carbon source. The main purpose of acid-washing is to remove ash. Because of MatrixCarbon’s™ hydrodynamic properties, more ash is washed from our carbon than any other. Therefore, it has the lowest leachable phosphate on the market.
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🐠 Show Off Your Fish!
We love seeing your fish, aquariums, and underwater worlds! Now’s your chance to show off your aquatic pets and potentially be featured in Tropical Showcase’s photos, graphics, and promotional images.
📸 How to Participate
- Take a great picture of your fish or aquarium.
- Email your picture to tropicalshowcasequestions@gmail.com.
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In your email, please include:
- Your account email: The email address linked to your TropicalShowcase.com account, if it's different from the email you're sending from.
- Your name or nickname: Tell us how you'd like to be credited in the picture.
- If we select and use your picture, you’ll receive a $10 Tropical Showcase store credit as a thank-you!
🐟 Before You Enter
Please make sure you’re a registered member at TropicalShowcase.com before submitting your picture.
By submitting your photo, you give Tropical Showcase permission to use it in our promotional images and marketing materials if selected.
We can’t wait to see what’s swimming in your tanks! You might just see your fish featured in our next post.
📧 Ready to show off your fish?
Send your pictures to tropicalshowcasequestions@gmail.com for a chance to be featured and earn $10 in store credit!
Only photos selected and used by Tropical Showcase will qualify for the $10 store credit.
Return Policy
Live Goods Return Policy
All livestock purchases are final. Special consideration can be made when proof of the deceased animal is presented to management within 48 hours of purchase. Must have a separate water tank sample for testing and current picture of the tank the animal was housed in. Specials ordered fish have no chance of a special consideration.
Dry Goods Return Policy
Special order items are subject to a 33% restocking Fee.
Merchandise returns are as follows: 7 Days from the date of the purchase, unopened, with original receipt. Light bulbs and open electronics are Non-refundable.
All returns must have an Return Merchandise Authorization (RMA) Code, which is obtained by contacting us directly.
- RMA Codes will only be issued for items within 30 days of purchase.
- Returns will only be processed for merchandise that is in NEW condition, unopened in its original packaging
- Return Shipping costs are at the expense of the customer. We do not reimburse shipping costs.
- COD’s are not accepted as returns and will not be accepted.
- Packages received without RMA Codes will not be refunded.
If there are functional issues or defects discovered after the product has been opened, please contact the manufacturer directly.