- Joined
- Oct 1, 2019
- Messages
- 52
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- 71
definetly grabbed some dead coral chunks. this rock came from his very large aquarium and I was looking for one the size of my handno need to add prime to distilled.
but... look into getting your own RODI filter, rather that buying gallons of distilled.
and not every brand of distilled comes in at 0 TDS.
as for those rocks, they do not look like lava rock.
do they look like they are made of dead coral skeletons? or more like a sedimentary rock?
you can do a test with vinegar, if a drop of vinegar makes it bubble, you're probably safe.
J.