It is typically an inert stone and will not affect water quality.
Is red granite safe for aquariums.
Their size and unique coloration makes them ideal accent pieces for smaller aquariums.
If it fizzes its unsafe and shouldn t be used.
After finding this out the hard way i now use it to reduce my ph if needed by placing it in the aquarium for a day or three.
A good way to test for safe rocks it to drop a couple of drops of ph down on the rock in question.
They are hardscape types of stones that are specifically created by skillful designers to provide a more realistic presence that is ideal for amano or iwagumi kind of aquascaping.
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There is absolutely no reason not to use granite in a freshwater aquarium.
These stones are non calcareous and are ph neutral making them ideal best safe rocks for freshwater aquariums whose inhabitants require a balanced water ph level.
If anything it would make a sand like material when crushed or ground up.
The ideal aquarium to have for using large rocks is a flat bottom acrylic tank but glass aquariums can also be used.
They are locally and sustainably sourced.
Granite is about the safest rock to put in an aquarium.
Aquarists recommend this rock because it won t cause ph buffering so it is safe for both fresh and saltwater.
It also would not make dust.
But i definitely don t leave it in the aquarium long term.
These rocks are highly recognized for being safe rocks for freshwater aquarium.
Granite from my experience is not safe.