Penn Plax Vertex 5 gallon Desktop Tank Kit Sand and has extra shelves for

and has extra shelves for the easy addition of other chemical filter media

while high levels cause suffocation in fish

For smaller doses please note that each cap thread is about 1 mL

At 60×36×30cm with 8mm glass thickness

Penn Plax Vertex 5 gallon Desktop Tank Kit Sand and has extra shelves forIntroducing the VERTEX Desktop Aquarium Kit by Penn Plax, perfect for beginners and limited spaces. The 5 gallon tank features 2 curved corners for unobstructed views and a translucent glass lid. With its finely constructed bent glass and compact design, it's perfect for bedrooms, offices, and classrooms. Contains Almost Everything You Need: This kit includes 2. 7 Gallon Glass Tank, Hinged Glass Lid, Cascade 20 Power Hang On Filter (20 GPH), Therma