Hermit crabs

mepling

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I want to put a couple hermit crabs in my 29 gallon tank. In researching hermit crabs I keep seeing what looks to be a need to put additaves into the water. Is this the case or would they be fine without special attention?
 

ryanr

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Hi, welcome to Fishlore

Can you be more specific as to what additives/supplements are being suggested?

Hermits should be fine without the need for supplements.

EDIT: But you do need to provide them with larger shells to move into as they grow
 
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mepling

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Thank you. Here is something I found on liveaquaria.com on hermit crabs. Under "supplements" there are some things it looks like they suggest adding these to the water??

QUICK STATS
Care Level: Easy
Temperament: Peaceful
Reef Compatible: Yes
Water Conditions: 72-78° F, dKH 8-12, pH 8.1-8.4, sg 1.023-1.025
Max. Size: 2"
Color Form: Blue, Orange, Tan
Diet: Omnivore
Supplements: Calcium, Magnesium, Iodine, Trace Elements
Compatibility: View Chart
Origin: Hawaiian Islands
Family: Diogenidae
 

ryanr

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Supplements: Calcium, Magnesium, Iodine, Trace Elements
Ah, ok.
Calcium and Magnesium are the major elements for reef health.
Iodine and Trace elements are also essential to the health of a reef.

All of these elements are generally replaced with water changes. If you have a high demand reef system (SPS corals), it may be necessary to supplement the tank with Calcium and Magnesium, but otherwise, regular water changes (10% per week) should be enough to maintain the elements at the necessary levels.

Is your 29G full marine or still brackish? Hermits need full marine to survive.
 
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mepling

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It is still brakish, 1.015. I plan to raise it to full marine though. Then I would like some hermits.
Thanks, I was confused. I havent gotten into coral yet so a lot of the chemistry stuff I havent got a clue..
 
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mepling

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When the GSP is an adult he will live in marine conditions. All the research I've done says they thrive in full marine.
 

JessiNoel21

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I know the conversion has to be a slow one cuz juvie GSP can go into shock if the salinity is rised to quick.
 
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