General Indoor Growing Guide, Best Threads & How to Get Help

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Welcome to General Indoor Growing.

Before starting a new thread, please use this guide so your post lands in the right place and growers can help you faster.

Post in the right section​

If your question is mainly about one of these methods, post in the dedicated section:

• Hydroponics — DWC, RDWC, recirculating systems, reservoirs, pumps, airstones, root-zone problems, rockwool, etc.
• Coco Coir — coco feeding, runoff, drybacks, EC/PPM, cal-mag issues, coco watering frequency.
• Organic Soil — living soil, amendments, top dressing, compost, teas, soil biology.
• Micro Grows — small tents, cabinets, stealth spaces, compact lighting, tight-space training.
• Cannabis Infirmary — sick plants, deficiencies, pests, disease, lockout, root problems, damaged leaves, mystery symptoms.

If your question does not clearly fit one of those areas, post it here in General Indoor Growing.

Best reference threads​

These older threads are still useful, but they do not all need to be separate stickies.

• Watering, media, pot size/shape, and environment — a deep reference on watering behavior, perched water table, media choice, and container shape.
• pH Charts for Soil and Hydro — quick pH reference charts and pH discussion.
• DIY Pest Traps — simple yellow sticky trap discussion.
• 25 Years Growing Indoors by DJ Short - 1999 — classic indoor growing history and perspective.

How to get better answers​

Good thread titles get better help.

Good:

• Week 4 flower, lower leaves yellowing in soil
• 2x4 tent running hot after light upgrade
• Coco runoff EC rising, plants clawing
• Seedlings stretching under LED

Not good:

• Help!!!
• What is wrong?
• Need advice
• Is she okay?

When asking for help, include as much of this as you can:

Strain:
Age / stage:
Indoor space size:
Medium:
Container size:
Light type / wattage:
Light distance:
Light schedule:
Temperature:
Humidity:
Water source:
Watering frequency:
pH, if tested:
EC/PPM, if tested:
Nutrients or amendments:
Recent changes:
Main issue:
How fast it is changing:
Photos: whole plant, close-up, pot/medium, and grow space

Clear photos matter. Please include at least one whole-plant photo and one close-up. Natural or white light is better than blurple light or heavy filters.

Before changing everything at once​

Try not to stack several fixes on the same day. Feeding, flushing, spraying, transplanting, changing lights, and changing environment all at once can make the real cause harder to find.

Post the details, answer follow-up questions, and update your thread with what changed. The more complete your first post is, the faster the community can help.

Forum rules reminder​

Keep buying, selling, trading, swapping, testing, or giving away seeds, clones, pollen, cannabis, hash, or other restricted items out of open forum posts. Use the proper site areas and follow THCFarmer rules.

Thanks for helping keep General Indoor Growing clean, useful, and easy to search.