Local decision tool
Build and compare your tank plans
Add the effective rates you see, compare current and proposed setups, and save them on this device. SFE DB never asks for your Roblox password, cookie, or inventory access.
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What this comparison assumes
Totals add only the rates you enter. Missing rows stay visibly unknown. Capacity is never assumed. The optional optimizer is limited to fish you entered and works only when you confirm equal slots, additive income, and no combination effects.
For a single cash goal, use the income calculator. For upgrade cost, use the payback scenario.