FlytrapCare Carnivorous Plant Forums

So the soil where I live is full of clay, and I was separating some of it out for the fun of it (yeah, I'm that kind of person ) and I was left with a bucket about a quarter full of gunk. So I separated that out too, because why not, and I was left with around four different types of gravel. Then, I had a lightbulb moment. What if I could use this for my carnivorous plants as a sand replacement? The hardware stores around here have literally no good sand. The only sand that I think is usable is the play sand or the fine grade silica sand that looks like it would just clog the soil up more than do any good. I did the vinegar test on the gravel, and it passed, so I guess now I have just a few questions: What size gravel should I use? I have two types that I think might be good. The second-to-largest grade, about 1-3 mm grain size: or the second-to-finest grade, about 0.5-1 mm grain size: Or maybe a mix? Also has anyone done this before, and do you have positive or negative results? It passed the vinegar test, so I'm pretty sure it's neutral, but are there other things I should be looking out for?

Thanks!

You need to take TDS readings. I would soak the sand in zero TDS water then take readings immediately, 24 hours and one week later before trying to use it.

Also, take a look at pool filter sand. I use that for CP.

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get it tested by a geologist. if it is going to leach don't use it.

Thanks guys. I was looking at the lowe's website and there was no pool filter sand to speak of... there was that extra fine stuff, but I would guess that it wouldn't work. Could I find it at a home depot or something?

Fine silica sand is a beneficial additive to peat because it helps keep it from over compacting so the water can flow through more freely.

mo_carnivore wrote:Thanks guys. I was looking at the lowe's website and there was no pool filter sand to speak of... there was that extra fine stuff, but I would guess that it wouldn't work. Could I find it at a home depot or something?

i found some at home depot but they were getting rid of it and haven't had it since. it might have been a seasonal thing.

maybe try a pool supply store?

I got mine at a pool company that services pools and filters.

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