If you ’re planning on reprocess plastic seed trays yr after class , then it ’s substantive that you clean and disinfect them first .

Using sordid equipment is a very dangerous practice , and a common misunderstanding that new gardeners make . Do n’t worry , sanitise your semen tray is n’t difficult .

In this situation , I ’ll separate you why it ’s authoritative , when to do it , what to practice to sterilize them , and give you the complete measure - by - step didactics for how to do it the right way .

How To Clean Seed Trays & Disinfect Them

A bin of old dirty used seed trays and inserts

Table of contentedness

Why You Should Clean Your Seed Starting Trays

muddy tray , cells , and pots can post diseases , bacteria , fungus , mould spores , and gadfly that could damage or even kill your seedlings .

Some of these harmful organisms can lie down hibernating for years , and wake up as before long as you add soil , water , and heat .

The worst part is that you ’ll never even know they ’re there until yourseedlings start having problems . So the only room to safely reuse ejaculate trays is to thoroughly clean and sanitize them .

How To Clean Seed Trays & Disinfect Them

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Do You Really NEED To Sanitize Them?

Well , technically you do n’t HAVE to sterilize them , and you may never have any number using ill-gotten seed trays . But it is a very grievous jeopardy to take , and a recipe for disaster .

Trust me , I see this lesson the toilsome manner . I never had a problem with it … until I did . One day I woke up to discover that almost all of my beautiful seedlings had dropped all in overnight . It was heartbreaking , and a huge waste of my clip and money .

I had to toss everything out . It was too belated to set forth over , so I ended up give birth to purchase most of my seedlings that class . I desire that you will never go through this painful experience – but if you do , you certainly wo n’t skip sanitize your come tray ever again .

How To Clean Seed Trays & Disinfect Them

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When To Wash & Sanitize Seed Starting Trays

The best clip to clean and sterilise your cum trays is right before you design to apply them . Do n’t squander your clip doing it any earlier , because they will just get dirty again in storage .

What To Use To Sterilize Them

There are several lifelike and chemic cleaners you could use to sanitize your seeded player trays . Below are the most democratic choices , and how they exercise :

How To Disinfect Seed Starting Trays

Below are the steps that I take to clean and sterilise my seed trays every class to prepare them for planting . I ’ll also give you some other alternative and tips for the best success .

Supplies Needed:

  • Caution : Do NOT mix vinegar and hydrogen hydrogen peroxide together , asit can produce a toxic chemical substance reaction .

Instructions:

measure 1 : Wash with grievous bodily harm and water – pass over the loose dirt and debris out of the plant trays and insert with a rag or asmall cleaning encounter . Then wash them using ardent urine andmild soap , and rinse them off .

stone’s throw 2 : Disinfect with vinegar – Mix a solution of halfwhite vinegarand half water , and pour it intoa spray bottle . Then soundly spray the interior and outside of your seed tray and inserts , and let them sit for 10 - 20 minutes .

or else , you’re able to fill alarge plastic binwith the 50/50 root and soak them alternatively of spraying them . This is what I recommend to cleanse off any tempered or gruff buildup . Either way of life , be sure to wash everything off very well afterwards .

How To Disinfect Seed Trays Before Starting Seeds Indoors

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Step 3 : Sanitize with hydrogen hydrogen peroxide ( optional ) – The scoop and vinegar should be enough to clean and disinfect your semen tray . But if you need to be extra safe , or you ’ve struggled with disease problems in the past , then you’re able to sanitise them withhydrogen peroxideas well .

Simply spray it on , undiluted , and rent the tray sit for 10 - 20 minutes , or soak them in it if you prefer . Then rinse them off .

How To Disinfect Seed Trays Before Starting Seeds Indoors

Step 4 : Let them dry out – you may just let them airwave juiceless , or pass over them down with a towel if you ’re impatient . They do n’t have to be totally teetotal before you habituate them though , so you do n’t have to be too grumpy about it .

Related Post : How To Make Newspaper Seed Starting Pots

Cleaning and sterilizing your seed trays is the best way to give your seedling a healthy start , and it will save you long ton of time ( and grief ) in the long run . So do n’t skip it , or you ’re only playing with fire .

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Or , if you just need a refresher , then myStarting Seeds Indoors eBookis for you ! It ’s a quick - offset pathfinder that will get you planting seeds in no time .

More Tips For Growing Seeds

A bin of old dirty used seed trays and inserts

Soaking a seed starting tray in a bucket

Healthy seedlings growing in my clean, sterilized trays

Click to learn more about the Get Busy Gardening Online Seed Staring Course.