Grow Guide vs HydroponicsCalc

Grow Smarter, Not Harder Join thousands of cannabis growers tracking their grows, sharing knowledge, and getting AI-powered expert advice. Whether you're a first-time grower or a seasoned cultivator, Grow Guide is your all-in-one cannabis tracking app and community. What Makes Grow Guide Different: Complete cannabis grow journal with daily tracking AI Plant Doctor for instant growing advice Time-lapse video montages (exclusive to Grow Guide!) Active community of helpful growers Professional growing tools (VPD, light meter, feeding calculator) Track nutrients, environment, and growth stages Privacy controls for sensitive grows Key Features: Grow Journal - Log every detail from seed to harvest Community Feed - Connect with growers worldwide AI Chat - Get instant answers to growing questions Time-Lapse Creator - Turn your grow into stunning videos Grower's Toolbox - 15+ professional tools in one app Courses & Q&A - Learn from experienced cultivators Contests & Giveaways - Win prizes from sponsors What Growers Say: "Between Reddit, other grow apps, and Discord, this app is far superior. You genuinely listen to users and make it better every update. I believe this community will thrive!" — TheWookalarKing "I was just looking for a way to track my grow, but the social aspect is a game changer! As a retired programmer, I appreciate the attention to detail. You saved me from writing my own app!" — CodePirate Download now and join the fastest-growing cannabis community! Terms: https://growguide.app/terms

HydroponicsCalc is the complete grow-management companion for hydroponic gardeners — from beginners mixing their first concentrate bottles to experienced growers running multiple systems. RESERVOIR MANAGEMENT — FRONT AND CENTRE Your grow systems live on the home screen where you need them. See EC, pH, temperature, volume, and grow stage at a glance. Tap Log to record a reading or journal entry without digging through menus. Get change-due warnings before problems develop. CONCENTRATE MIXER Two modes for every workflow: • Bottle → EC: Enter bottle size and coverage target — get exact gram weights per component, dose rate (mL per gallon), and a live EC estimate. • Target EC → Dose: Enter your desired EC — get the mL-per-gallon dose you need. Supports MasterBlend 4-18-38, Jack's 321, General Hydroponics Flora Series, and more. Save your favourite configurations as reusable recipes. EC CALCULATOR Dial in nutrient strength with confidence. Input dose → see estimated EC. Input target EC → get required dose. An EC reference strip shows typical ranges from seedling to aggressive feeding, accounting for your source water baseline. pH CALCULATOR Enter current pH, target pH, and reservoir volume — get the exact mL of adjuster needed. Supports White Vinegar, Phosphoric Acid (pH Down), Potassium Hydroxide (pH Up), and custom adjusters with calibration mode. VPD CALCULATOR Vapour pressure deficit tracking with colour-coded zone feedback. Input air temperature, relative humidity, and leaf temperature offset — instantly see whether you're in the Too Humid, Seedling, Vegetative, Flowering, or Too Dry zone. GROW JOURNAL WITH PHOTO TIMELINE Document your grows with a date-sorted photo diary. Log observations, deficiencies, feedings, milestones, and harvests — with camera or photo library support. Export a full PDF archive of any journal. HARVEST LOG & ROI DASHBOARD Record wet weight, dry weight, and crop name for every harvest. Track cost-per-gram from your nutrient spend. See yield trends over time. Calculate energy costs from your light wattage and schedule. LIGHT SCHEDULE TRACKER Set your light schedule (18/6, 20/4, 12/12, or custom), log your flip date, and get an estimated harvest date with a countdown. US & METRIC Every calculator works in gallons/°F or litres/°C. One tap to switch — all values update instantly. NO SUBSCRIPTIONS. NO ADS. HydroponicsCalc is a one-time purchase. Everything is included. By HackerHomeLab.com