Is peridot (olivine) sand good for anything? https://geology.com/stories/13/sand/

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Aloha All Being new here, but having spent many hours reading other posts - I've decided to share the inspiration for my 29G tank. I have only now started a large tank (29G), upgrading from two 10G tanks filled with Guppies. I've been taking my time with this tank. I've had it over a week and...

I've been trying to set up a new planted 20G tank for myself with some Hardy fish that are calm but something a little unusual/ different because right now my system crashed after the last island wide power outage and so far my half moon betta and 2 checkered barbs are still alive, so I need...

Ok cutting down on the amount of fish i have to make room so i can redo my planted tank and if need i will be selling 1 10gallon tank w/ an aquaclear 30 not to sure on the price but the im letting go are 1 Tahitian prawn Some aholeholes a family of convict cichlids 1 bristelnose pleco 2 comet...

Hi all, Justin here with my first Journal on planted tank and my second try at aquascaping. I started this tank about a month ago, going for easy plants again and trying something a little different with my aquascaping. I'm waiting for Aquascapes to get some Blyxa so I can get a couple in there...

Hi Hawaii Folks - I posted this on the shrimp and invertebrates section last night, but I'm reposting here too: I am interested in finding and keeping freshwater sponges in an aquarium. I know they are filter feeders, so I assume they would need heavy levels of floating algae or other...

I am interested in finding and keeping freshwater sponges in an aquarium. I know they are filter feeders, so I assume they would need heavy levels of floating algae or other plankton. I found a few posts on here about sponges, but no success stories. I saw some cold-water freshwater sponges...

Anyone know if African Dwarf Frogs allowed in the state? if so anyone know where I can pick some up?