The Marineland Pro filter cartridge has mixed reviews. One user reported it made their fish tank crystal clear, while another found it incompatible with their filter. Buyers should ensure it fits their filter model before purchasing.
The cartridge successfully clears the tank water.
The cartridge does not fit all filter models.
Tip: User tried to modify but failed.
"Makes my fish tank crystal clear."
"So, these filter wheels don’t work for my filter. Says it does. So I got them. They have no pokey things on the end to slip into the grooves on the filter. So my son tried to take the ends off and put the ends to the old ones on it right?! Well the blue ends wouldn’t come off. So total waste of ..."
This product is a hit or miss. Verify compatibility with your filter before buying.
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