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Gravel trays help please!

Stupid newbie question! I was given some rather large gravel trays yesterday to use in my greenhouse and thought as all my seedlings are in their own biodegradable mini pots I could put them all in one and use to water all at once. Tried this morning and had a lot of standing water left around in them. What's the best way to use them please? I don't want to have to fill and remove every time I water as there's a lot of plants in there and it's more time consuming than how I was previously watering them from the top.


  • PlantyPruPlantyPru Posts: 142
    Also, I have my bigger pots in trays too to help with watering from the bottom but will it do more harm than good them being sat in water?
  • young codgeryoung codger Posts: 543

    Put less water in the trays. You can always add a bit more several hours later. 

    Secondly, make some holes in the biodegradable pots. I know they are not water proof, but it is going to take somewhat longer for the water to permeate through.
  • PlantyPruPlantyPru Posts: 142
    I did just that with the bio pots this morning as wondered about water getting in and draining out, thank you 
  • cornellycornelly Posts: 970
    I use gravel trays under the glasshouse tomatoes grown in ten inch pots, its good drainage.
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