🪨 Aquarium Substrate Estimator

Plan your planted tank and hardscape layout. Calculate exact substrate volume, sloped perspective depth, commercial bag counts (3L/9L aqua soil, 20lb/50lb sand), and stone weight for Iwagumi and Ryoboku scapes.

Tank Length (in)

Tank Width / Depth (in)

Units

Layout Profile

Front Glass Depth (in)

Rear Wall Depth (in)

Primary Substrate Type

Total Substrate Volume

26.5 Liters (0.94 cu ft)

Estimated Weight

52.5 lbs (23.8 kg)

Packaging Bag Count to Buy:

Three 9-Liter Bags (27 L total)

⛰️ Hardscape Stone & Wood Sizing

Recommended Stone Mass

35–45 lbs (16–20 kg)

Driftwood Branches

1–2 accent pieces

ℹ️ Water Chemistry Note: Seiryu / Ryuoh stone contains calcium carbonate veins that slowly leach minerals, raising GH (+2–4 dGH) and KH over time. Offset with weekly 30–50% RO water changes.