Everything you need to know about plant nutrition. This GrowFAQ category covers different types of fertilizers, how to identify and address nutrient deficiencies, and maintaining proper pH levels and watering practices.
Foliar Feeding
- Spray-N-Grow Basics: What is Spray-N-Grow and how do I use it?
- Earthjuice Catalyst: Usage: What is Earthjuice catalyst and how do I use it?
- Foliar Feeding: How do I foliar feed?
Organic Fertilizers
- Organic Fertilizer Options: What organic based fertilizer should I use?
- Organic Nutrients: Why should I use worm castings?
- Pure Organic Nutrients: Why should I grow using pure organic nutrients?
- Organic Nutrient Formula: MisterIto's organic beginner nutrient formula
- Guano Tea Recipe: How do I make guano tea?
- Organic Nutrients: What about Earth Juice?
- Organic Nutrient Res: What is an Earth Juice/Maxicrop recirculating res?
- Organic Nutrient Method: MrSoul's Guano Tea Method
- DIY Worm Castings: How do I produce my own Worm Castings?
- Earthworm Castings FAQ: Five Most Asked Questions About Earthworm Castings
- Organic Nutrient Formula: MisterIto's organic nutrient formula
- Organic Growing: Why should I grow using organic nutrients?
- Organic pH Adjustment: How do I adjust the pH in organic solutions?
- Earth Juice Usage: What is the proper way to use Earth Juice?
Nutrient Formulations
- Hydrogen Peroxide Application: How do I apply hydrogen peroxide?
- Fertilizer Label Numbers: What do the three numbers on the fertilizer label stand for?
- Hydroponic Maintenance: How can I properly maintain my hydroponic nutrient solution?
- Fertilizer Types: What is the difference between synthetic and organic fertilizers?
- PH & Nitrogen: Will my nitrogen source affect the PH?
- Phosphorous Abuse: The never ending abuse of Phosphorous to enhance flowering
- Nutrient Mixing: How do I mix up my nutrient solution?
- Nutrient Roles: What are Macro-/Micro-Nutrients, and what is each responsible for?
- Flush Formula: MisterIto's beginner nutrient flushing formula
- Flush Formula: Standard nutrient flushing (clearing) formula
- Chemical Fertilizer Options: What chemical based fertilizer should I use?
- Pure Chemical Nutrients: Why should I grow using pure chemical nutrients?
- Chemical Nutrient Formula: MisterIto's chemical beginner nutrient formula
- Salt Fert Formula: Frenchie's salt fert formula
- Chemical Nutrient Formula: 10k's suggested beginner chemical nutrient formula
- Soil Feeding Schedule: Bunzboys flora feeding schedule for soil growers
- Hydroponic Ratios: Lothar's recipe
- Hydroponic Ratios: BD97's recipe
- Hydroponic Ratios: Highgrade's recipe
- Hydroponic Ratios: The 1-2-3 recipe
- Hydroponic Ratios: Lucas Formula
- Hydroponic Levels: What levels should I maintain for my hydroponic nutrient, temperature, pH and TDS/EC?
- Plant Troubleshooting: How do I find out what's wrong with my plant?
- Cannabis Nutrients: What do the different nutrients mean to Cannabis?
- Hydrogen Peroxide in Nutrients: Should I use hydrogen peroxide in my nutrient mixes?
- Silicon Supplementation: Why add silicon to nutrient solution?
- Chemical Nutrient Formula: MisterIto's chemical nutrient formula
- Chemical Nutrients: Benefits: Why should I grow using chemical nutrients?
- pH Adjustment: How do I adjust the pH in chemical solutions?
- Boosting Nitrogen: Can I give myplants extra nitrogen?
- Filtering Solutions: Microorganisms and organic compounds in the solution: Is filtering useful?
- Chemists Fertilizer Formulas: Chemist's Salt Fertilizer Recipes
- Chemical Fertilizers 101: ChristianKungFu's Salt/Chemical Fertilizers (Introduction)
- ChristianKungFu - pH: https://overgrow.com/t/christiankungfu-ph/273
- ChristianKungFu - Nutrient Formulations: https://overgrow.com/t/christiankungfu-salts-e-c-and-leeching/274
- ChristianKungFu - EC: https://overgrow.com/t/christiankungfu-tds-ppm-and-ec/275
- ChristianKungFu - Basics: https://overgrow.com/t/christiankungfu-basic-elements-and-nutrient-balance-long/276
- ChristianKungFu - Mixes: https://overgrow.com/t/christiankungfu-fertilizer-mix-examples/277
- sEDTA Explained: https://overgrow.com/t/what-is-edta/452
Nutrient Deficiencies
- Nutrient Deficiencies: Solutions: https://overgrow.com/t/nutrient-disorder-problem-solver-by-jackerspackle/535
- Plant Deficiencies: https://overgrow.com/t/plant-abuse-chart-and-photos-by-nietzsche/739
- Moisture Stress Solutions: https://overgrow.com/t/plant-moisture-stress-symptoms-and-solutions/266
- Nutrient Deficiencies: https://overgrow.com/t/nutrient-profiles-and-deficiencies-by-mr-highway/288
- Plant Diagnosis: https://overgrow.com/t/how-can-i-get-a-better-diagnosis-of-my-plant/289
- Slow Growth Causes: https://overgrow.com/t/what-are-some-causes-of-slow-plant-growth/366
- Room Syndrome: https://overgrow.com/t/do-i-have-bad-room-syndrome/438
Sick Plant Symptoms
- Leaf Color Change: https://overgrow.com/t/are-your-leaves-light-green-or-yellow-in-colour/82
- Leaf Pigmentation: https://overgrow.com/t/do-the-leaves-have-an-overall-dark-green-color-with-a-purple-red-or-blue-pigmentation/83
- Leaf Curling and Discoloration: https://overgrow.com/t/are-the-leaf-tips-curling-down-do-they-have-yellow-margins-which-are-turning-into-dark-dead-spots/84
- Leaf Curling and Discoloration: https://overgrow.com/t/are-the-leaf-tips-curlling-up-do-the-leaves-have-yellow-margins-or-tips-with-green-veins/85
- Inter-veinal Banding Appearance: https://overgrow.com/t/do-the-leaves-have-an-inter-veinal-banding-appearance/86
- Yellowed Leaf Tips: https://overgrow.com/t/are-leaf-tips-yellowed-and-curled-down/87
- Iron Deficiency: https://overgrow.com/t/iron-fe-deficiency/88
- Blotched Leaves: https://overgrow.com/t/do-the-leaves-have-burnt-blotches-on-them/81
pH & Watering
- Meter Recommendations: https://overgrow.com/t/what-is-a-good-ph-ec-tds-meter/470
- Hydroponic Nutrient Levels: https://overgrow.com/t/what-ranges-should-i-maintain-for-my-hydroponic-nutrients-ph-tds-ec-and-temperature/609
- pH Explained: https://overgrow.com/t/what-does-ph-mean/644
- pH Target: https://overgrow.com/t/what-ph-level-or-range-should-i-aim-for/586
- PPM vs EC: https://overgrow.com/t/what-is-the-difference-between-ppm-and-ec/621
- Combo Meter Considerations: https://overgrow.com/t/what-are-the-pros-and-cons-of-buying-a-combo-meter/679
- Probe Seal Lifespan: https://overgrow.com/t/how-long-does-the-seal-last-inside-the-probe/680
- TDS Meter Basics: https://overgrow.com/t/what-is-a-tds-meter-and-what-does-it-measure/214
- PPM/EC Levels: https://overgrow.com/t/how-do-i-tell-if-my-ppm-ec-is-too-high-or-too-low/219
- Liquid pH Accuracy: https://overgrow.com/t/are-the-liquid-type-ph-test-kits-accurate/224
- Fertilizer PPM Calculation: https://overgrow.com/t/how-do-i-figure-out-the-ppm-of-my-fertilizer-mix/259
- Soil pH Adjustment: https://overgrow.com/t/how-can-i-raise-or-lower-the-ph-of-my-soil-mix/356
- pH Buffer Basics: https://overgrow.com/t/what-is-a-ph-buffer/365
- Nutrient Levels: https://overgrow.com/t/ppm-ec-cf-chart/396
- pH Basics: https://overgrow.com/t/what-is-ph/454
- Container Watering Schedule: https://overgrow.com/t/how-do-i-determine-my-watering-schedule-for-container-plants/440
- Neutral Water pH: https://overgrow.com/t/why-is-my-reverse-osmosis-water-not-ph-neutral/731
- Optimal Water Types: https://overgrow.com/t/what-is-the-best-type-of-water-to-start-with/732
- Dehumidifier Water: https://overgrow.com/t/can-i-use-water-from-the-dehumidifier/475
- Water Cycles: https://overgrow.com/t/about-wet-dry-cycles/617
- Pot Lifting: https://overgrow.com/t/what-is-the-lift-the-pot-method/720
- Tap Water for Plants: https://overgrow.com/t/is-tap-water-ok-for-my-seeds-and-plants/767
- Tap Water Chlorine Removal: https://overgrow.com/t/is-it-safe-to-use-pet-shop-preperations-that-are-sold-to-remove-chlorine-from-my-tap-water/770
- Watering Challenges: https://overgrow.com/t/how-do-i-water-my-hard-to-reach-plants/191
- Watering Clones & Seedlings: https://overgrow.com/t/how-much-water-do-i-give-my-clones-seedlings-when-in-rockwool/243
- Plant Hydration: https://overgrow.com/t/how-can-i-tell-whether-my-drooping-plant-is-overwatered-or-underwatered/311
- Plant Drooping: https://overgrow.com/t/why-do-my-plants-droop-after-flushing-or-heavy-watering/312
Flushing
- Flush Formula: https://overgrow.com/t/misteritos-nutrient-flushing-formula/549
- Preharvest Flushing: https://overgrow.com/t/a-critical-look-at-preharvest-flushing/447