I have picked up some sandstone that was taken from a building. I've seen conflicting sources saying whether sandstone is good or bad.
This sand stone I guess came from a part of a wall, so I guess there would be some salt and/or chemicals (from cement) soaked into the rock. Will...
Greetings to all.
Well, today i was going thru the ingredients of ORS (Oral Rehydration Salts) sachet, when this question popped into my mind...Can i use ORS in fresh water fish tank for both plants and fish. I am no expert, so i thought of getting some expert opinion of u ppl.