
Equipment
Seachem Zip Bag Medium-Mesh Filter Bag.
A medium mesh filter bag with a zipper closure (32cm x 14cm, 1L capacity) from Seachem — fill it with any loose media like carbon, GFO (granular ferric oxide), or purigen and drop it in your sump.
In-store purchase only. There is no online checkout on this site. Pick this up at our Erie store, or call us to arrange shipping.
- Brand
- Seachem
- Condition
- new
- Fulfillment
- Local pickup — Erie, PA
Pick this up at the shop, or ask us to ship it. Shipping cost depends on the item, so call (814) 456-9445 and we'll quote it — payment is taken upfront before the order goes out.
What it's for
Underlined topics open the guide that explains how they work.
- holds loose filter media in sump or filterChemical filtrationMedia that grabs dissolved things a strainer can't catch, like odors and tint.In How to build an easy freshwater sump — no drilling, no cut glass
- reusable media bag for carbon, GFO, or purigenChemical filtrationMedia that grabs dissolved things a strainer can't catch, like odors and tint.In How to build an easy freshwater sump — no drilling, no cut glass
- keeps filter media contained and easy to changeChemical filtrationMedia that grabs dissolved things a strainer can't catch, like odors and tint.In How to build an easy freshwater sump — no drilling, no cut glass
- mesh bag for chemical filtration mediaChemical filtrationMedia that grabs dissolved things a strainer can't catch, like odors and tint.In How to build an easy freshwater sump — no drilling, no cut glass
Set it up right
Guides that use this.

How to build a saltwater sump for a 125-gallon reef tank
The full sump build for a 125-gallon reef: protein skimmer, 700 GPH (gallons per hour) return pump, 300W of heat, media and flood-safe plumbing, priced part by part from our shelves at Sea Cave, Erie PA's aquarium shop since 1975.
Read the guide
How to build an easy freshwater sump — no drilling, no cut glass
A sump doubles your filtration and hides your heater and gear out of the display, and you can build one for a 20-gallon tank without drilling anything or siliconing a single baffle. Here's the whole build, why each part is there, and how to make it flood-safe.
Read the guide
Visit the store
660 East 14th Street,
Erie, PA.
Mon–Fri 12–6 · Sat 11–4 · Sun closed. Call ahead on livestock — what's on the floor rotates.



