Black Aquarium Sand Weight:35lbs with a heat pack if

with a heat pack if necessary with weather/delivery location

1lb per gallon of tank volume will cover the bottom will ~1" of sand Planning for a deeper substrate

The top 3 tiers measure approximately 0

The cave measures approximately 6" x 6" x 4

Middle: 10" x 8" x 2

Black Aquarium Sand Weight:35lbs with a heat pack ifThis Black Aquarium Substrate is perfect for aquascaping to make any plant or fish pop against a dark background. The grains are round and smooth, optimal for sensitive sand sifting fish such as Corydoras and Loaches. Many carpeting plants prefer a finer substrate to attach their roots to, allowing them to grow quickly and healthy. The sand is composed of silica with no added dyes, colors or treatments. There may be some harmless residue, I recommend