Originally Posted by Christople
Just so you know carbon last a couple of days and then is use less. Its use is to remove medication or other things after adding the to your wtaer.
The cartridge filter is intended for mechanical filtration and ease of use. The fact that is has some carbon inside is, well, just the way it comes. I'm not using it because of it, more like in spite of it.
I think our regular partial water changes somewhat negates the practical use of carbon...but activated carbon has been an important 'ingredient' in aquarium filters for, well, forever. Carbon does have the ability to absorb toxins and some claim it remains 'in play' for up to a month to 'polish' the water.
Ever wonder if we used carbon and we had nitrate filters how often we'd need to do water changes?
if we could only invent the auto gravel cleaner.
I wonder if this really works... Home page - 3M Aqua-Pure
These folks say if you use this, you do a partial water change like once every 3 months.
And then I was thinking, what about an aquarium where you press a button and 20% of the water is automatically drained and then refilled with pre-heated water ....hmmm.
Okay, so this evening I shutdown the AquaClear 70 and wrapped the inlet tube with nylon stocking to prevent solids from entering. I removed the filter media. It appears there is some activity in the sponge already with a slight discoloration. I added another AquaClear sponge above the existing one. On top of that is the mesh bag of bio-ceramic and above that is the sack with gravel from the 10g (I think eventually the gravel will be replaced with additional ceramic material).
I extended the inlet tube on the AquaTech 5-15 to get it lower in the tank.