What is the best kind of gravel vac to use? I am still considering using sand as a substrate instead of gravel...so if that makes any difference as to which one would be better let me know. I don't want something that is going to cost a lot either. Thanks.
There isnt much of a difference really you can get ones that hook right up to your faucet which is much easier than running back and forth with buckets. We purchased ours at our lfs prices will vary on location of course and how much hose you need. I have used ours on gravel and sand the trick with sand is just hovering the end over the layer of sand just enough to suck up the stuff on top. If you dig the end into the sand as you would gravel you will pick up sand in your hose.
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