{"product_id":"physan-20-drops","title":"Physan 20 Drops","description":"\u003cdiv class=\"row-start-1 col-start-1 min-w-0\"\u003e\n\u003cdiv class=\"contents\"\u003e\n\u003cdiv class=\"min-w-0 pl-2 py-[var(--msg-pill-py,0.375rem)]\"\u003e\n\u003cdiv class=\"flex items-center gap-2\"\u003e\n\u003cmeta charset=\"UTF-8\"\u003e \u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003ePhysan 20 \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e15ml bottle. Physan 20 is used when cleaning tissue cultures during deflasking.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eThe baseline to know: the standard general-purpose rate is about 1 teaspoon per gallon, and \u003cstrong\u003e1 teaspoon ≈ 80–90 drops\u003c\/strong\u003e, so the numbers below scale from there.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003eTool \u0026amp; surface sanitizing\u003c\/strong\u003e (blades, scissors, pots, trays, benches — general rate)\u003c\/p\u003e\n\u003cul dir=\"ltr\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e1 cup water → 5–6 drops\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e1 quart → 20–22 drops\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e1 gallon → about 1 tsp (80–90 drops)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eWipe or dip, let it sit wet a minute or two, then use. Great between every cut so you're not spreading anything plant to plant.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003eIncoming-plant \/ general plant soak\u003c\/strong\u003e (algae, mold, surface fungal\/bacterial on established plants)\u003c\/p\u003e\n\u003cul dir=\"ltr\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e1 quart → 20–22 drops\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e1 gallon → ~1 tsp\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eDip or spray, don't leave established roots soaking long.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003eDeflasking tissue-culture soak\u003c\/strong\u003e — go \u003cem\u003egentler\u003c\/em\u003e here, TC plantlets are fragile and have no cuticle\/defenses yet\u003c\/p\u003e\n\u003cul dir=\"ltr\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eUse a weak rate: roughly \u003cstrong\u003e1 quart water → 8–10 drops\u003c\/strong\u003e (about half the normal strength, ~½ tsp per gallon)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eQuick dip\/swish only — 30 seconds to a couple minutes, just to knock back agar residue and contamination, then rinse in clean water before potting into your sterile mix.\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eThe goal at deflasking is gentle decontamination, not a hard sterilize — too strong will burn those tender plantlets faster than anything.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRead full shop policies before buying\/bidding. \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/docs.google.com\/document\/d\/1-0KmB9iqXFBjhD09dKLrefivixS4fF81nRxqJEt7t1g\/edit?usp=drivesdk\"\u003ehttps:\/\/docs.google.com\/document\/d\/1-0KmB9iqXFBjhD09dKLrefivixS4fF81nRxqJEt7t1g\/edit?usp=drivesdk\u003c\/a\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e Photos are description only.  Sellers Choice.  \u003c\/li\u003e\n\u003cli\u003ePlease buy responsibly—no cancellations, refunds, or returns. Holds may be added as needed.\u003c\/li\u003e\n\u003cli\u003e\u003cbr\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDid you read the shop policies? Please do that so no one is surprised. Seriously. ❤️ 🌱 \u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/docs.google.com\/document\/d\/1-0KmB9iqXFBjhD09dKLrefivixS4fF81nRxqJEt7t1g\/edit?usp=drivesdk\"\u003ehttps:\/\/docs.google.com\/document\/d\/1-0KmB9iqXFBjhD09dKLrefivixS4fF81nRxqJEt7t1g\/edit?usp=drivesdk\u003c\/a\u003e\u003c\/p\u003e","brand":"Soil and Social","offers":[{"title":"Default Title","offer_id":50481263542465,"sku":null,"price":8.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/0268\/5377\/files\/5E683B02-9F9D-486D-B4E3-7D9BE2DD9917.jpg?v=1786572730","url":"https:\/\/soilandsocial.com\/products\/physan-20-drops","provider":"Soil and Social","version":"1.0","type":"link"}