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Green Algae in plant water tank.

happyhackerhappyhacker Posts: 41
in The potting shed
I have a 50gal tank with tap water in it (to rest over). I use it for fruit and veg. I keep a hessian sack with stinging nettles in it dipped in the water for nutrients. Can I ignore the algae when filling the watering can?

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  • philippasmith2philippasmith2 Posts: 3,742
    If your tank is covered and only contains tap water, I think you can safely assume that  any algae forming is from your nettles.  Use it but just ensure the algae doesn't block the rose on your watering can.
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