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Fisher CZ 21
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Tesoro Tiger Shark


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Fisher CZ 21
Tesoro Tiger Shark
Feature comparison between Fisher CZ 21 and Tesoro Tiger Shark
Options Fisher CZ 21 Tesoro Tiger Shark
Detector Type VLF Beach Detector VLF Beach Detector
Price $1000 $750
Manufactured in 2009 2000
Battery Type Four 9V 8 AA
Weight (Lbs.) 6 4.4
Operating frequency 5, 15 kHz. 12.5 kHz.
Display None None
Backlight No No
Target ID Audio
Tone ID 3 Tones Single Tone
Search Modes
  • Autotune All Metal
  • Disc. Silent Search
  • Pinpoint All Metal N/M
  • All Metal N/M
  • Normal Mode
  • Salt Mode
  • Disc. Silent Search
Ability to change coils No No
Ground balance Manual Auto
Waterproof 250 feet 200 feet
Warranty 2 Years Lifetime
Number of Reviews graph 5
graph 4
graph 1
graph 5
graph 2
graph 1
Avg. User Rating 4.40 4.25
Avg. Durability Rating 4.75
Avg. Ease of Use Rating 4.75
Avg. Depth Rating
Depth value
No data available yet

Most helpful review for Fisher CZ 21

CZ-21, an excellent land and water machine
The CZ-21 is an excellent and easy to use metal detector. Once you learn to use it, you will do very well. It is easy to ground balance and it can be rod, chest, or hip mounted with no problems. It is waterproof down to 250 feet and comes with a straight rod mount that can also be used for diving. The detector, when used in the AutoTune (a wide scan all metal mode) setting is very sensitive, and its 3 tone ID makes detecting a pleasure.
If you want gold, dig the mid tones.
If you are hunting for coins, dig the high tones. If you hear a low tone - it is probably iron.

A low/medium means a possible gold target next to iron. The detector will have trouble finding tiny gold necklaces or tiny chain link bracelets unless they have a clasp, but then the other brands of water detectors also have difficulty in finding such targets.

Be sure to swing the detector coil slow in the water and you will have great success. The pinpoint button takes some getting used to, but after a while in the water you will not even bother using it. Overall, the CZ-21 is an excellent and well built detector that can be used on land or in the water. And, it is proficient in both ocean and fresh water as well as on dry or wet sand.
Darryl from Sacramento, CA

Thumbs up! 74
Read all reviews for Fisher CZ 21

Most helpful review for Tesoro Tiger Shark

Tesoro tiger shark
I have used the Tiger shark for 2 years. Very sensitive will detect deeper than the Sting Ray but I use both of these detectors when I go hunting. I like the interchangeable loops. Still getting use to the Tiger Shark so far have found 12 gold rings. I like the Tiger Shark or the StingRay better than I did the 1280x fisher. I might try the CZ 20 some day but I do like the Tesoros. G G G

Greg gust from USA

Thumbs up! 115
Read all reviews for Tesoro Tiger Shark