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At pro advice - dig a lot of aluminum


New Member
Jun 4, 2022
Eastern NC
Been metal detecting for about 8-9 months, have a Garrett AT Pro. I mostly hunt for relics in eastern NC, farm fields, old house sites, civil war sites. I usually run in Pro Zero mode, 28 iron descrimation, iron audio off, sensitivity 2 back from all the way. I dig a lot of aluminum trash. If it is a whole can, or almost, I usually know it's junk by the erratic number and a squelchy sound at the beginning and end of the tone. But smaller pieces that ring up 40 to 75 can have a consistent number and seem legit. Any advice on settings or techniques to dig less aluminum?


Forum Supporter
Jan 1, 2018
Yep - what Jackalope said. I have the AT Pro and have used it for thousands of hours over the last 6 years. If you are relic hunting and digging everything above the iron range, then you will find aluminum. No way to avoid that.