Troubleshooting
94 articles tagged "Troubleshooting".
Explore 94 Troubleshooting articles from AGreenNest — practical, research-backed care guides, troubleshooting, and hands-on tips to keep your plants thriving. Every guide is written and tested by our editorial team before it publishes.

Hydroponic Growing
Hydroponic Parsley: pH, EC, and Endless Harvests
Grow parsley without soil in Kratky, DWC, or NFT. Exact pH, EC, light hours, and germination timing, plus how to cut it so one plant feeds you for months.

Low-Light Indoor Plants
How to Rescue an Overwatered Peace Lily
An overwatered peace lily droops, yellows, and rots at the roots. Here is the week-by-week rescue I use to bring a collapsed Spathiphyllum back to firm, green leaves.

DIY Plant Projects
Build a Hydroponic Jar Garden From a Mason Jar
A no pump hydroponic jar garden you can build from a mason jar, net cup, and perlite. Grow lettuce and herbs in water with nutrients for harvests in 30 to 45 days.

Succulent Care
Coppertone Stonecrop Care: Light, Water, and Soil
Coppertone stonecrop (Sedum nussbaumerianum) glows copper-orange in bright light and is simple to keep once its roots are happy. Here is how to light, water, and overwinter this trailing succulent without rot.

Plant Pests & Diseases
Brown Spots on Leaves: Fungal vs Bacterial Leaf Spot
Brown or black spots with yellow halos are leaf spot. Tell fungal from bacterial by the halo and the spread, then prune, improve airflow, and spray a targeted fix within 48 hours.

Hydroponic Growing
Hydroponic Beets: A Precise Grow Guide
Beetroot grows well in hydroponics using deep water culture or the Kratky method. Hold the nutrient solution at pH 5.8 to 6.2 and EC 1.8 to 2.4, give 12 to 14 hours of light, and you can pull roots 4 to 6cm wide about 55 to 70 days after sowing.

Plant Pests & Diseases
5 Plant Disease Myths I Wish I'd Stopped Believing
Old wives' tales about yellow leaves and cinnamon cures cost plants their lives. I checked the research and the clinic samples, and here are the five disease myths that do real damage.

Succulent Care
I Rescued a Rotting Succulent: Week by Week
An overwatered Echeveria went translucent and soft at the base. Here is the exact week-by-week rescue: stop water, cut rot, dry, repot in grit, and the signs it worked.

Plant Pests & Diseases
Scale Insects on Houseplants: Remove Them Fast
Those little brown bumps stuck to your stems are scale, sap-sucking insects that leave sticky honeydew and black soot. Learn to spot them, scrub them off, and stop them returning in three weeks.

Hydroponic Growing
Hydroponic Celery: How to Grow It Year-Round
Celery grows fast in hydroponics with no bitter stringiness. Learn the Kratky, DWC, and NFT setups, the pH and nutrient numbers, and how to harvest cut and come again.

Hydroponic Growing
Hydroponics in 30 Days: Your First Harvest From a Bucket
A straight 30-day plan to your first hydroponic harvest: the exact bucket build, the pH and EC numbers, and the leafy crop that gets you eating in under a month. No lab required.

Plant Care Accessories
Best Hydroponic Kits for 2026
A 2026 buying guide to hydroponic kits for beginners: what comes in the box, the three system types, five picks from $35 to $180, and which room each one suits.

Plant Care Accessories
Best Terracotta Pots for 2026 (and What to Skip)
A practical 2026 buying guide to terracotta pots: why the porous clay prevents root rot, the four features that matter, and the pots worth buying by plant and budget.

Succulent Care
Burro's Tail (Sedum morganianum) Care Guide
Burro's Tail is a trailing succulent with fragile, bead-like leaves. Learn the light, water, and soil numbers that keep Sedum morganianum full, plus how to stop leaf drop.

Plant Pests & Diseases
I Tested 4 Fungus Gnat Traps on 12 Plants
I ran yellow cards, a vinegar bowl, a BTI dunk, and a sand top dressing across 12 gnat infested plants for 14 days. Here are the real catch counts and which combo actually cleared them.

Hydroponic Growing
How to Grow Arugula Hydroponically
A step-by-step hydroponic arugula guide: best varieties, NFT and DWC setup, the exact pH and nutrient numbers, temperature, and when to harvest peppery leaves in about 40 days.

Hydroponic Growing
5 Hydroponic Myths That Sink Beginners
Hydroponics gets a bad name from myths about chemicals, cost, and skill. We bust five common claims and show what growing plants in water actually requires at home.

Hydroponic Growing
Grow Radishes Hydroponically in 30 Days
A step-by-step hydroponic radish grow guide: best varieties, DWC and Kratky setup, pH and nutrient numbers, and when to harvest crisp roots in about a month.

Hydroponic Growing
Grow Swiss Chard Hydroponically at Home
A complete hydroponic Swiss chard grow guide: best varieties, DWC and NFT setup, pH and EC numbers, light needs, and how to cut-and-come-again for months of leaves.

Succulent Care
Why Are My Succulent Leaves Wrinkling?
Wrinkled succulent leaves usually mean thirsty roots, or roots rotted from overwatering that can no longer drink. Learn how to tell the two apart and the 48-hour fix.

Succulent Care
Tiger Jaws: The Succulent That Bites Back
Faucaria tigrina, the tiger jaws succulent, looks fierce but grows easy. Learn its South African origin, the three things it demands, and the single mistake that rots it.

Plant Care Accessories
Best Indoor Plant Fertilizers for 2026
Our picks for the best indoor plant fertilizers for 2026, from gentle balanced liquids to cactus feed and hydroponic concentrates, with the NPK of each and how to apply them safely.

Plant Pests & Diseases
Downy Mildew on Houseplants: Spot It and Stop It in 48 Hours
Downy mildew looks like dust on the leaf underside and yellow patches on top. Catch the cause, isolate the plant, and treat within 48 hours to save it.

Succulent Care
Elephant Bush Care: Grow a Healthy Portulacaria afra
Elephant Bush care for Portulacaria afra: light, watering every 7–14 days, gritty soil, 10–35°C, stem propagation, and how to avoid rot. A jade lookalike.

Hydroponic Growing
I Grew Bok Choy 3 Ways in Hydroponics: The Results
I ran bok choy in Kratky, deep water culture, and NFT at the same time. Here are the harvest weights, days to maturity, and which system I would run again.

Hydroponic Growing
Growing Cilantro Hydroponically: A Fast 30-Day Guide
Learn to grow cilantro hydroponically in DWC or NFT with exact EC 1.0-1.6, pH 6.0-6.7, and 12-16h of light for a reliable 30-45 day seed-to-harvest schedule.

Hydroponic Growing
Growing Cucumbers Hydroponically: A Step-by-Step Guide
Parthenocarpic cucumbers thrive in water. Get the pH, EC, temperature and light numbers right, pick the right system, and harvest crisp fruits in 8 to 10 weeks.

Hydroponic Growing
Grow Green Beans Hydroponically: A Step-by-Step Guide
Green beans thrive in water with the right pH, EC and light. Here is how to take bush beans from seed to snap pod in about nine weeks using DWC, NFT or Kratky.

Hydroponic Growing
Diagnose Hydroponic Nutrient Deficiencies by Leaf Symptoms
Spot hydroponic nutrient deficiencies from leaf signs: yellow older leaves signal nitrogen, pale new growth means iron. Fix each with exact EC and pH targets.

Hydroponic Growing
Hydroponics vs Soil: Real Yield, Water, and Cost Numbers
Hydroponics vs soil, compared with real numbers: 2-3x faster growth, up to 90% less water, lettuce in 30 days vs 45-60, and honest startup costs for home growers.

Low-Light Indoor Plants
Overwatering in Low Light: Signs and a 48-Hour Fix
Overwatering in low light rooms: spot yellow lower leaves, soft stems, and fungus gnats, then follow a ranked 48-hour rescue plan to save your plant.

Succulent Care
String of Hearts Care: The Trailing Ceropegia woodii
String of Hearts care for Ceropegia woodii: bright indirect light 4–6h, water when top 2.5cm dries, warm 18–26°C, and how to save the hidden tubers from rot.

Plant Care Accessories
Pruning Shears for Succulents: Types and Safe Use
Which snips actually cut succulent leaves and stems cleanly, how to keep them sharp and clean, and the cuts that save a rotting or leggy plant.

Plant Pests & Diseases
Bacterial Blight: Spots, Smell & How to Stop It
Bacterial blight and leaf spot cause foul-smelling water-soaked spots with yellow halos. Learn to prune, dry leaves, and treat with copper soap to save plants.

Plant Pests & Diseases
Rust Fungus on Houseplants: ID, Treatment & Prevention
Orange and yellow rust fungus pustules on houseplant leaves? Learn what rust looks like, why it spreads, and how to treat and prevent it with neem oil.

Hydroponic Growing
Grow Tomatoes Hydroponically: A Beginner's Indoor Crop
Dwarf tomatoes are the most rewarding indoor hydroponic crop — real fruit from a countertop system. Here is the setup, the numbers, and the mistake that drops your yield to zero.

Hydroponic Growing
Aeroponics for Beginners: Mist Your Roots
Discover aeroponics for beginners: how misting roots with nutrient solution works, low vs high pressure systems, pros, cons, a mason jar setup, and EC pH targets.

Hydroponic Growing
DIY Drip Hydroponic System for Beginners
Build a beginner drip irrigation hydroponic system with our parts list, step-by-step setup, run times, pros and cons, and easy maintenance tips for healthy plants.

Hydroponic Growing
Hydroponic Bell Peppers: A Beginner's Grow Guide
Learn to grow Capsicum annuum bell peppers hydroponically with the right EC 2.0-3.5, pH 5.8-6.3, lighting, support, and harvest timing for big yields.

Plant Care Accessories
Insecticidal Soap: Buy or DIY, and How to Spray
Make or buy insecticidal soap, the right concentration, which pests it kills, and the spray routine that protects leaves and petals.

Plant Care Accessories
Mix Your Own Gritty Succulent Soil at Home
A practical, scalable gritty mix recipe for succulents, what each ingredient does, and how to avoid the soggy-soil mistakes that cause root rot.

Low-Light Indoor Plants
Overwintering Houseplants: Getting Them Through the Cold
When the heat kicks on and light drops, your plants go dormant. Here is how to keep them alive — and boring — until spring returns.

Plant Care Accessories
The Essential Repotting Toolkit (and How to Use Each)
The five tools that make repotting clean and safe — trowel, snips, root hook, gloves, and a watering can — plus the step order that protects roots.

Hydroponic Growing
Best Herbs for Hydroponics
Five fragrant, fast herbs that thrive in water-based systems.

Hydroponic Growing
Best Plants for Hydroponic Beginners
Which crops succeed first in water-based systems and which to avoid.

Hydroponic Growing
12 Best Plants for Hydroponics (Ranked by Ease)
Discover the 12 best plants for hydroponics, from lettuce to strawberries. Our ranked list with a difficulty and light table helps beginners pick winners.

Plant Pests & Diseases
Brown Leaf Tips on Houseplants: 4 Common Causes
Discover why houseplant leaf tips turn brown from low humidity, tap water, watering mistakes and salt buildup, with fixes: distilled water and humidity trays.

Low-Light Indoor Plants
Button Fern Care Guide (Pellaea rotundifolia)
How to grow Button Fern (Pellaea rotundifolia): light, watering every ~10 days, soil, temperature, and propagation.

Hydroponic Growing
Clay Pebbles vs Rockwool for Hydroponics
The two common growing media compared so you can pick the right one.

Hydroponic Growing
Common Hydroponic Mistakes Beginners Must Avoid
Avoid the top beginner hydroponic errors: no aeration, wrong pH, algae, overfeeding, and root rot. Our guide shows how to fix each for healthy soil-free plants.

Plant Pests & Diseases
How to Deal With Aphids
Aphids: what it looks like, why it happens, and the fix. Clusters of soft green/yellow bugs on new growth; sticky leaves.

Plant Pests & Diseases
How to Deal With Edema
Edema: what it looks like, why it happens, and the fix. Blistered, corky, or watery bumps on the undersides of leaves.

Plant Pests & Diseases
How to Deal With Leaf Spot
Leaf Spot: what it looks like, why it happens, and the fix. Brown or black spots with yellow halos on leaves.

Plant Pests & Diseases
How to Deal With Over-fertilisation
Over-fertilisation: what it looks like, why it happens, and the fix. Crispy brown leaf edges and a white crust on the soil.

Plant Pests & Diseases
How to Deal With Root Rot
Root Rot: what it looks like, why it happens, and the fix. Yellow, wilting leaves in wet soil; black, mushy roots and a sour smell.

Plant Pests & Diseases
How to Deal With Scale Insects
Scale Insects: what it looks like, why it happens, and the fix. Brown, dome-shaped bumps stuck to stems and leaves.

Plant Pests & Diseases
How to Deal With Sunburn
Sunburn: what it looks like, why it happens, and the fix. Bleached white or brown scorched patches, often on the side facing the window.

Plant Pests & Diseases
How to Deal With Thrips
Thrips: what it looks like, why it happens, and the fix. Silvery streaks and tiny black droppings on leaves; distorted new growth.

Hydroponic Growing
Basil (Hydroponics)
Aromatic and fast; pinch flowers to keep leaves coming. Difficulty 1/3.

Hydroponic Growing
Clay Pebbles (Hydroponics)
Expanded clay balls anchor roots and hold moisture in flood systems. Difficulty 1/3.

Hydroponic Growing
Deep Water Culture (DWC) (Hydroponics)
Roots hang in an aerated nutrient reservoir -- the simplest active system. Difficulty 2/3.

Hydroponic Growing
Dwarf Tomatoes (Hydroponics)
Compact determinates that fruit in a bucket system. Difficulty 3/3.

Hydroponic Growing
Hydroponic Herbs on Your Kitchen Windowsill
Grow basil, mint, and parsley hydroponically on your windowsill. Our guide covers light hours, gentle nutrient doses, harvest cycles, and a fresh herb supply.

Hydroponic Growing
Hydroponic Nutrients (Hydroponics)
A two-part A/B nutrient provides the 13 elements plants need in water. Difficulty 2/3.

Hydroponic Growing
Kale (Hydroponics)
Nutrient-dense and cold-tolerant; flavour sweetens in cool air. Difficulty 2/3.

Hydroponic Growing
Kratky Method (Hydroponics)
Passive, pump-free hydro: a fixed reservoir with an air gap the roots grow into. Difficulty 1/3.

Hydroponic Growing
Lettuce (Hydroponics)
The classic first crop -- cut-and-come-again leaves in 3-5 weeks. Difficulty 1/3.

Hydroponic Growing
Lucky Bamboo in Water (Hydroponics)
The dracaena sold in water with pebbles -- no soil needed. Difficulty 1/3.

Hydroponic Growing
Microgreens (Hydroponics)
Tiny seedlings harvested at 2 inches in 7-14 days. Difficulty 1/3.

Hydroponic Growing
Mint (Hydroponics)
Vigorous and forgiving; contains itself or it takes over. Difficulty 1/3.

Hydroponic Growing
Nutrient Film Technique (NFT) (Hydroponics)
A thin film of nutrient flows through sloped channels past the roots. Difficulty 3/3.

Hydroponic Growing
Hydroponic Nutrients: A, B, and pH
What the two-part nutrient does and why pH ties it all together.

Hydroponic Growing
Hydroponic Nutrients Guide for Healthy Plants
Master hydroponic nutrients: N-P-K, micronutrients, 3-part vs all-in-one, pH control, reading PPM, and fixing common deficiencies with ease for healthy plants.

Hydroponic Growing
pH Management (Hydroponics)
Most crops want a nutrient pH of 5.5-6.5 so roots can absorb food. Difficulty 2/3.

Hydroponic Growing
Pothos in Water (Hydroponics)
Grow a pothos cutting long-term in a jar of plain water. Difficulty 1/3.

Hydroponic Growing
Preventing Algae (Hydroponics)
Green slime in the reservoir steals nutrients and breeds pests. Difficulty 1/3.

Hydroponic Growing
Spinach (Hydroponics)
Quick, mild greens that prefer cooler nutrient temperatures. Difficulty 2/3.

Hydroponic Growing
Strawberries (Hydroponics)
Day-neutral varieties fruit for months under grow lights. Difficulty 3/3.

Hydroponic Growing
Watercress (Hydroponics)
Peppery and fast in constantly flowing water. Difficulty 2/3.

Hydroponic Growing
Hydroponics for Beginners: Soil-Free Plant Care
New to hydroponics? Learn the easiest soil-free systems for home, what supplies you need to start, and how to set up your first water garden on a budget.

Hydroponic Growing
Indoor Hydroponic Lettuce: Grow Salad on Your Counter
Grow crisp lettuce and fresh herbs indoors with hydroponics. Our guide covers varieties, light hours, nutrient strength, harvest cycles, and avoiding bolting.

Hydroponic Growing
Kratky Method: The Easiest Soil-Free Way to Grow
Learn the Kratky method step by step: a passive, pump-free hydroponic system for lettuce and herbs. No air stones, no electricity, just fresh food at home.

Hydroponic Growing
The Kratky Method: Passive Hydroponics
Grow without pumps or power using the simplest hydroponic technique.

Hydroponic Growing
NFT (Nutrient Film Technique) Explained
How the channel-flow hydroponic system works and whether it is right for you.

Low-Light Indoor Plants
Peace Lily Care in Low Light: Blooms in the Shade
Peace lily low-light care: how to bloom in dim rooms, water by clear droop signals, fix brown tips, boost humidity, and keep pets safe from Spathiphyllum.

Hydroponic Growing
pH for Hydroponics Made Simple
Why pH matters in water-based growing and how to keep it in the sweet spot.

Hydroponic Growing
Preventing Algae in Hydroponic Systems
Keep your reservoir clean and your nutrient solution clear.

Plant Pests & Diseases
Root Rot First Aid: Saving a Soggy Plant
The step-by-step rescue when leaves wilt in wet soil and roots have gone mushy.

Plant Pests & Diseases
How to Save a Plant With Root Rot
Save a plant with root rot by unpotting, trimming mushy roots, and repotting in gritty soil. A AGreenNest step-by-step recovery guide for overwatered plants.

Low-Light Indoor Plants
Snake Plant Care: The Low-Light Survivor Guide
Master snake plant care with this beginner guide: low-light tolerance, a rare watering schedule, easy division, and fast fixes for brown tips on Sansevieria.

Succulent Care
Overwintering Succulents Indoors: The Complete Guide
Learn how to overwinter succulents indoors: light through short days, slash watering to every 3-4 weeks, protect from frost, and wake plants up each spring.

Plant Pests & Diseases
Sunburn vs Pest Damage: Telling Them Apart
How to read scorched leaves versus pest feeding so you treat the right problem.

Plant Pests & Diseases
Whiteflies on Houseplants: How to Get Rid of Them
Learn how to get rid of whiteflies on houseplants using yellow sticky traps, neem oil, vacuuming, and isolation. A complete AGreenNest guide to break the cycle.

Plant Pests & Diseases
Why Are My Leaves Turning Yellow? (Non-Pest Causes)
The most common non-pest reasons for yellow leaves, and the fix for each.