The Planted Tank Forum - View Single Post - Using Oil-Dri for cheap substrate?
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post #54 of (permalink) Old 10-10-2012, 12:28 AM
Planted Tank Guru
Join Date: Jan 2010
Location: Contra Costa CA
Posts: 11,721
I just cut a hole in the top of the bag outside and stuck the garden hose in it until it ran clear
Sounds like a pretty simple way to do this.
I tried it once with some lava rock. I punched a LOT of small holes in the bottom half of the bag and ran the hose in through the top, but it did not clean the lava rock very well. I had to dump small amounts into a bucket and stir it a lot with the hose running. I only needed a little bit of rock, so a couple of buckets with only about 1 gallon of rock at a time worked well. That was some really dusty rock, though!

I have usually rinsed substrate in the tank because I can stir it around a lot and keep the dust stirred up as it is being siphoned out.
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