Aquarists recommend this rock because it won t cause ph buffering so it is safe for both fresh and saltwater.
Is red granite safe for aquariums.
There is absolutely no reason not to use granite in a freshwater aquarium.
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 locally and sustainably sourced.
Their size and unique coloration makes them ideal accent pieces for smaller aquariums.
Granite from my experience is not safe.
It leeches acid and drops your ph to dangerous levels.
It is typically an inert stone and will not affect water quality.
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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.
But i definitely don t leave it in the aquarium long term.
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 it fizzes its unsafe and shouldn t be used.
If anything it would make a sand like material when crushed or ground up.
These rocks are highly recognized for being safe rocks for freshwater aquarium.
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.
The ideal aquarium to have for using large rocks is a flat bottom acrylic tank but glass aquariums can also be used.
You may be lucky finding it in nature but they are available in your local fish store.