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3 contributions to Tissue Culture Mastery Hub
Bleach vs pesticides for de contamination
Bleach (sodium hypochlorite) is generally more effective and widely recommended than pesticides (including fungicides or bactericides) for general lab surface sterilization and grow room decontamination. Pesticides are designed primarily for controlling pests or pathogens on living plants, not for broad disinfection of inanimate surfaces. Why Bleach Outperforms Pesticides for Disinfection - Broad-spectrum action — Bleach rapidly kills bacteria, fungi, viruses, and many spores by oxidizing cellular components. Standard 10% dilutions (from household bleach) are highly effective on benches, tools, floors, and equipment in tissue culture labs and grow rooms. - Pesticides’ limitations — Fungicides (e.g., bavistin, mancozeb) or bactericides target specific organisms on plants and lack the broad, rapid kill needed for surfaces. They may leave residues that inhibit cultures or are ineffective against diverse contaminants. - Standard protocols — In tissue culture labs, bleach is the go-to for wiping surfaces and decontaminating waste. In grow rooms/greenhouses, bleach or similar oxidizers are used for between-cycle cleanouts to eliminate mold, bacteria, and pathogens. Here are examples of bleach being used to wipe lab benches in tissue culture settings: 3 “LARGE” 4 “LARGE” 5 “LARGE” 6 “LARGE” 7 “LARGE” 8 “LARGE” Spraying disinfectants (often bleach-based or similar) during grow room/greenhouse decontamination: 9 “LARGE” 10 “LARGE” 11 “LARGE” 12 “LARGE” In contrast, pesticides/fungicides are applied directly to plants for targeted control: 0 “LARGE” 1 “LARGE” 2 “LARGE” Occasionally, low concentrations of fungicides are added as pre-treatments for tough explants or to supplement sterilization, but they’re not a replacement for bleach on surfaces. Bleach Alternatives (If Needed) For less corrosive options: 70% ethanol, quaternary ammonium compounds (e.g., Green-Shield), or hydrogen peroxide-based products (e.g., ZeroTol). These are effective but bleach remains the most reliable and cost-effective for thorough decontamination.
Alvays moist, neva vet nor dry! Nienen unst ze vet unst dry!
Grand Syrian 🔥 GDP x Syrian landrace
From sowcal hydro 🧬🔥 she's the closest thing I've seen that resembles GDP :) Very dominant GDP characteristics with an increase in growth rates and vigor ... my old GDPs was low n slow This grows robust with nice deep grape hash indica type growth and smell .. very similar traits across all 4 fems from (regular) seed stock ... she is worth running again
Grand Syrian 🔥 GDP x Syrian landrace
Oh so stinky!!
Skip the line ... get started now
Imagine this: You’ve got that rare monstera or cannabis clone everyone’s begging for on Etsy. But every time you try tissue culture at home… bam—contamination turns your jars into fuzzy science experiments. Weeks down the drain. $200 in hormones and agar wasted. And those “gurus” on YouTube? They gloss over the real fixes, leaving you broke and frustrated. You’re not alone. 87% of home cloners quit after their first green jar disaster. (Yeah, that stat hits hard—straight from plant biotech forums where hobbyists vent about failed batches.) But what if you could skip the heartbreak and build a contamination-proof system that clones any plant—aroids, orchids, carnivorous, or high-value cannabis—in under 30 days? From a $200 kitchen lab to a 6-figure wholesale operation? That’s exactly what my students are doing right now. No fluff. No guesswork. Just proven protocols that deliver 95%+ success rates.
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Christopher Georgoulis
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3points to level up
@christopher-georgoulis-3580
Full of curiosity and excitement, I gravitate towards the unknown. Always willing to learn through experience, I embrace humility and patience.

Active 5h ago
Joined Dec 12, 2025
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