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Hayk from Los Angeles California writes

Does Criterion 75 WSP kills root aphids ? And how often can I use it in indoor grow? Thank you

Answer:

Criterion 75 WSP is not labeled to control root aphids specifically, and most products on the market do not list them as a target pest. Often customers need to use a pyrethrin product for a contact kill and drench the roots and soil to control any that are present. Criterion is also only labeled for use in interior plantscapes and is not for use in a greenhouse. AzaGuard Insecticide is a great option that is labeled for root aphids as well as indoor greenhouses. 

Answer last updated on: 12/02/2020

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Criterion 75 WSP Systemic Insecticide

Criterion 75 WSP Systemic Insecticide

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$34.33

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