Starting up a 10 gallon to grow some buce plants that were damaged from snails. Since they are such slow growers thought a tank would be nice to have.I like the idea of lava rock and it’s ability to house useful bacteria.I see they sell natural lava to be used in cooking grills in the big box stores.Not worried about size just want enough to cover the bottom of the tank. I’ll use a sponge filter and do a fish less cycle with pure ammonia.Any reason this wouldn’t work? I might also grow a few different anubias plants.I’m also going to include a few fish to keep it cycled once it’s finished cycling.I don’t intend to plant anything in the substrate.
CJP53
It works fine. I've used it before, actually there is some in my 120p tank I am using for added height.
Lava rock is perfectly safe to use. Just rinse it really well. Like @minorhero I used lava rock to build up the mounds in my tank, and even started out using it as biological filter media before swapping to pumice. It worked fine as media, and has been working fine under the sand in my tank. It's really dusty so you'll want to make sure it rinses out really well. It's also fairly fragile and breaks apart pretty easily.
I just stayed with eco complete,all the lava rock was to large even the lava that went into vent and ventless fireplaces was kind of large. Plus I would have needed two bags for my 10 gal. and it would have cost more.Paid $20 for a bag of eco complete.Thanks for your response, now I’m waiting for my ammonia to get here.Went with Dr. Tim’s.Could not find pure ammonia, even the janitorial store didn’t carry it. Went to Ace hardware and couple big box stores.
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