The toolbox
17 calculators and AI utilities. Free, no signup. Pro members can save every run to a notebook.
// AI TOOLPOPULAR
DIAGNOSE.
upload a leaf → cause + fix.
// CALCMIX
Nutrient Mixing Calculator
Compute g/L of each nutrient for your plant, system volume, and target EC.
// CALCEC
EC ⇄ PPM Converter
Convert between EC (mS/cm) and PPM using the 500 or 700 scale.
// CALCUTIL
VPD Calculator
Compute Vapor Pressure Deficit from temperature, humidity, and leaf delta.
// CALCDLI
DLI Calculator
Compute Daily Light Integral from PPFD and photoperiod.
// CALCpH
pH Adjustment Calculator
How much pH Up / pH Down to add to hit your target.
// CALCLIGHT
LED Light Distance Calculator
Recommend hang height for your LED based on wattage and footprint.
// CALCVOL
Reservoir Volume Calculator
Compute liters and plant capacity from tank dimensions.
// CALCSCALE
System Sizer
Estimate reservoir size, cost, and power draw for a target plant count.
// AIQUIZ
System Recommender
AI quiz: tell us your space and goals, get the right hydroponic system.
// AICOMMERCIAL
Commercial ROI Estimator
3-year revenue, opex, breakeven, and IRR projection for a commercial build.
// AIKIT
Equipment Kit Builder
AI builds a full equipment list within your budget for your system + plant count.
// AIPLAN
Crop Planner
Week-by-week schedule for your goal, climate, and space.
// AIVISION
Nutrient Deficiency ID
Upload a leaf photo, get the most likely deficiency in seconds.
// CALCSIZE
Reservoir Sizer
Recommended reservoir volume, refill interval, and evaporation buffer for your plant count.
// CALCVOL
Water Volume Calculator
Tank volume in liters and US gallons from length × width × height, with safe-fill.
// CALCDO
Root-Temp DO Calculator
Dissolved oxygen ceiling from reservoir temperature, using the USGS DO-temp table.
// PLANCALENDAR
Germination Calendar
Work backward from harvest date to sow, sprout, and transplant milestones.