Blackwater Tank : r/Aquariums

Botanical method (blackwater) tank with Cardinal Tetras, Beckford's Pencilfish, and Yellow Goldenback neocaridina. : r/Aquariums

My blackwater betta tank! : r/Aquariums

Added more driftwood to my 38 gallon blackwater tank : r/Aquariums

Light Blackwater : r/Aquariums

Unintentional black water tank : r/Aquariums

20 gallon long blackwater tank : r/Aquariums

Betta, shrimps, and snails natural blackwater tank. : r/Aquariums

Putting the Black in Blackwater : r/Aquariums

My new Orinoco drainage blackwater biotope : r/Aquariums

20 gallon blackwater tank : r/Aquariums