Carbon Container Screen Is Collapsing
I have a Magnum 350. I recently used the carbon container but only had enough carbon media to fill the canister about half way. I checked the filter about a week later because the water output was severely reduced. When inspecting the filter, I found that the screen was crushed or collapsing inwards toward the core set. I purchased additional activated carbon media, but it was not Black Diamond Activated Carbon, and had larger grains. I removed the used carbon and replaced it with the new. The filter ran fine for a few days and then the water output decreased again. When I inspected the filter, some carbon grains had gotten into the impeller assembly and housing. So I ordered a new carbon canister and when it arrived, I added fresh activated carbon (not Black Diamond though). After only a day, the water flow went down again and the new canister starting collapsing inward the same as the previous. Any suggestions on what I'm doing wrong or what to replace to correct the water flow?
Aquarium Type: Freshwater
Aquarium Size: Mid-Size (20-60g)
asked 2 months ago
Santa Fe, NM, USA
on Magnum 350 Canister Aquarium Filters
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