Errr, no, if it's root aphids you have a very serious problem which could mean even abandoning your growroom & moving house. Make sure first of all that it's not fungus gnats or anything else.
There is a very long depressing thread on ic which will let you know what's up. The name of the thread is the scientific name of root aphids, something like phyloxera but my spelling might be wrong.
Best of luck.
thanks for the advice But it cant be that bad..... anyone else?
I've found the best way to deal with them is feed them some imid for a bit, then apply a contact killer such as bifinthrin. Then you'll need to foliar feed your plants asprin to get them going again. Since your in hydro, use lots of bleach, the aphids can't live without a certain type of bacteria that feeds them essential nutrients they can't get from the plant.
Aphids are dirtly little fuckers, but there are ways to deal with them.
Read all the aphid threads you can find, but the info above is what has worked for me.
You never answered the question: Are you sure they are Root Aphids? Its more likely you have Fungus Gnats.