Sanitation is the set of hygiene practices that removes or kills pests and pathogens on surfaces, tools, equipment, water and people. It is the cheapest and most effective part of IPM, because it stops problems before they start rather than fighting them later.
In practice
Core habits: clean and disinfect rooms, walls, floors, trays, pots and irrigation lines between runs; clear plant debris and dead leaves; change or wash clothes before entering the grow, and visit the cleanest room first and quarantine last; sterilise cutting tools between plants when taking clones, using a disinfectant with documented efficacy against viroids, since alcohol alone is not reliable against HLVd. Dirty surfaces must be cleaned before disinfecting, because organic matter neutralises many disinfectants. Never mix bleach with acids or ammonia-based cleaners: toxic gases form. Follow each disinfectant's label for dilution and contact time.
Don't confuse with
- Sterilisation: killing all microbes; most grow-room sanitation is disinfection, not true sterilisation.
- Quarantine: controls what plants come in; sanitation controls what surfaces and people carry.
- Sterile reservoir: a hydroponic strategy, one specific use of sanitation.
Integrated pest management: preventing and controlling pests by combining monitoring, prevention, cultural, biological and, as a last resort, chemical tools against set action thresholds.Cloning is propagating a plant by rooting cuttings from it, producing new plants that are genetically identical to the donor.Photon efficacy is how many micromoles of PAR photons a fixture produces per joule of electricity (µmol/J); higher means more light for the same power bill and heat.The smallest known plant pathogen: a short circular RNA, usually 246-401 nucleotides, with no protein coat and no protein-coding genes, copied by the host's own enzymes.HLVd, a small infectious RNA that spreads through sap and tools, causing stunting, brittle stems, small loose buds and reduced resin in cannabis; called dudding.A sterile reservoir keeps hydroponic solution as free of microbes as possible with oxidising sanitisers or UV, a valid strategy that only works if applied consistently.Holding incoming plants, clones or seeds apart from the main grow, under observation and sometimes treatment, until they are shown to be free of pests and disease.A slimy community of microbes stuck to surfaces in a matrix they secrete; in hydro, it coats lines, reservoirs and roots and can shelter pathogens.Pest and disease prevention by changing how the crop is grown, such as humidity, airflow, spacing, watering and cultivar choice, so pests and pathogens struggle to establish.
