hey if you are interested check out this effective little bio filter i put together. it only took me one afternoon and saved a ton of money...
thanks jeff
It will be good for a few years. The barrel will rust. The lava will need cleaned some day, I scraped the skin off my fingers cleaning the lava out of mine. (similar design)
When you decide to replace the lava rock, look for Savio Springflo media. I couldn't remember the name last night.
the barrel is actually plastic. I have heard similar statements about problems cleaning the lava rocks though, i guess we will see when the time comes. jeff
Plastic is better. Is the top open or closed. Mine is open, I grew iris in there one time, cannas another time. BAD idea. They welded the rock together. I have water hyacinths in mine now, they work well except when they plug up the outlet.
the tops is open. i have water hyacinths in mine as well.
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