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Coral Rx Coral Dip

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  • New coral? Protect your tank from pests. | How To Tuesday
  • Coral Rx 8 fl oz
  • Coral Rx 1 fl oz
  • Coral Rx One Shot

Quick Overview

Coral Rx was developed to be safe for your coral while still eliminating parasites and bacterial infections. Independently tested for its efficacy. Contains no iodine or oxidizers.

Follow instructions and do not add Coral Rx directly into your tank.

  • Quick Overview

Coral Rx was developed to be safe for your coral while still eliminating parasites and bacterial infections. Independently tested for its efficacy. Contains no iodine or oxidizers.

Follow instructions and do not add Coral Rx directly into your tank.More

Coral Rx Coral Dip

98% Recommend this to a friend (46 of 47)

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One Shot - Coral Rx
SKU: 300623
Earn 2 Reward Points
1 oz - Coral Rx Pro (Concentrated)
SKU: 300621
Earn 23 Reward Points
8 oz - Coral Rx
SKU: 300620
Earn 17 Reward Points

Availability: In stock


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Previously Asked Questions

  • by Paul on January 27, 2014, @3:45 AM

    Will this Coral RX kill aptasia? I have an SPS frag, and there is an aptasia between the base of the coral and the frag puck...

    Bulk Reef Supply Hey Paul,
    In my experience it works best for things like flatworms and red bugs. If you just have an aptasia I would use something like Aptasia X or you could mix some kalk to a bit of a slurry and apply it directly on top of the aptasia. Kalk isn't the greatest route for treating in the tank as it will greatly effect the pH of the tank, but treating a single aptasia external to the aquarium it would be just fine.

    Do you find this question helpful?  Yes   No

  • by Jodine on December 6, 2013, @6:29 AM

    Is this also safe for sps.

    Bulk Reef Supply Hey Jodine,
    The Coral RX dip will work just fine for SPS corals.

    Do you find this question helpful?  Yes   No

  • by Phillip on September 5, 2013, @6:40 PM

    The 1oz Coral Rx Pro concentrated is more expensive than the 8oz regular. What are the differences? How much dip water will the concentrate make?

    Bulk Reef Supply Hey Phillip,
    The Concentrated Coral Rx only uses 30 drops per gallon (roughly 2mL) of water instead of 20mL. This makes it in the ballpark of 10x more concentrated then the standard coral rx. Its generally best for folks making large batches at a time. If your only mixing 1g at a time I usually recommend using the standard coral Rx as its faster to measure out in small quantities.

    Do you find this question helpful?  Yes   No

Full Details

How to use Coral Rx Hobbyist Blend:

  • Shake bottle of Coral Rx.
  • Add 20 mL or 4 capfuls of Coral Rx to 1 gallon (3.8 liters) of saltwater from aquarium.
  • Mix well.
  • Using a small powerhead, keep the water moving and place coral in the coral dip.
  • If you do not have a powerhead, gently shake coral in the coral dip.
  • Keep coral in the coral dip for 5 – 10 minutes.
  • After 5 – 10 minutes, remove coral and discard the coral dip.
  • Do not reuse the coral dip as parasite may release toxins.
  • Rinse coral with clean saltwater and return to aquarium.
  • Do not add Coral Rx directly into aquarium.



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  • Death to the little ones By MKaplan on 2/5/2015

    This stuff is fantastic. I had a red flatworm infested specimen that I needed to cleanse before I moved it to a different display tank. 7 minutes in this stuff and they all look to be gone. That and a pretty sizable bristle worm I didn't know existed in the piece crawled out and died.
  • Solid Product By Laurie on 2/4/2015

    All new corals get treated with this product before putting in our system and so far no new pests have been introduced! I do have to give one caveat, although I am extremely happy with this product, we have some nasty red planaria that think this stuff is a nice massage.

    Another thumbs up for this product is that it helped bring back a couple corals from the dead. Seriously! The corals were succumbing to slow tissue necrosis and after dipping, they are slowly coming back! That is something that will make any reefer smile...
  • Can't Live Without By CraigD on 1/30/2015

    This stuff is amazing. A total necessity for dipping for protection of pests, however this stuff is amazing to rejuvenate corals. Like a day at the health spa for corals.
  • Awesome By Paul on 12/4/2014

    I was/am new to reefing and using a product I never heard of gave me pause. I was very glad that I did order and use this, I couldn't believe what came off my corals. I won't add another coral to my tank without using this first. Great stuff.
  • excellent stuff By matt on 10/30/2014

    Coral rx is needed if you're running a tank with coral theirs no other way to put it. I used this stuff and you should've seen the stuff falling off my corals!!!! I'll never keep a reef tank without this.
  • Surprised By Alex on 7/19/2014

    Bought this as an afterthought with a bunch of other stuff. I thought, for $3 I might as well give it a try. Tried it on a piece of montipora digitata I got from the LFS with no real expectations. You should have seen the thing that came crawling out of that. Tons of tiny things, copopods, even a bristle worm. Now I dip EVERYTHING.
  • Good product By Sean on 5/26/2014

    I use this EVERYTIME I bring corals home from my local fish store. It's simple to use and important. It takes less than 10 minutes and provides me with confidence that along with new corals, I am not adding unwanted hitchhikers to my tank that will destroy it. It's a bargain!
  • Favorite Dip By David on 5/20/2014

    As far as frags go....it's the best thing since sliced bread. Keep in mind, it does have a shelf life.
  • This worked very well By dale on 4/21/2014

    I had an Ich outbreak and to help eliminate it, I gave my live rock a bath in this and everything that I wanted on the rock was fine.
    worked like a charm!
  • Best All Round Dip By Nelson on 4/3/2014

    I am pretty neurotic when it comes to what goes in my tank and I unfailingly dip every piece of new coral as,soon as I get home. Over a year ago I got some montipora eating nudibranches. No dip that I know of will kill the eggs. The hatched nudibranches are a different story and are easily and quickly killed by Coral Rx. I was able to dip my montiporas every few days for a few weeks and get rid of them for good. Coral Rx pro is my favorite dip and the only one I now use. The little 1oz bottle is very concentrated and will go a long way. I am still using the last bottle I bought over a year ago. Highly recommended product!
  • Works great By James on 3/19/2014

    It was very effective with no bad effects to corals.
  • A must need! By Earl T on 2/17/2014

    I dip all of my corals in Coral Rx, it kills nudibranch's and most pests. I have found that red flatworms can survive the dip however so I do two dips. I dip first in the Coral Rx and then in Flatworm Exit and I haven't had a problem since. You have to make sure that you want to remove the brittlestars away from the rock if you don't want to kill them, because it will. I don't have a single coral in my tank that hasn't went through the Coral Rx dip.

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