API

API Liquid Super ICK Cure Freshwater and Saltwater Fish Medication 16-Ounce Bottle

$20.41

118+ bought in the past month

About this item

  • Contains one (1) API LIQUID SUPER ICK CURE Freshwater and Saltwater Fish Medication 16-Ounce Bottle
  • Treats "ich" white spot disease in fish and secondary bacterial fish infections
  • Quickly kills ich parasite, typically within 24 hours of first dose
  • Corals and invertebrates may be sensitive to this medication. We do not recommend usage in reef aquariums or any freshwater or saltwater aquarium with invertebrates.
  • Use at the first sign of “Ich” (white spots). Repeat dose after 48 hours. See Directions for more details.
$20.41

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Product details
BrandAPI
Liquid Volume16 Fluid Ounces
Item Weight454 Grams
Item FormLiquid
ManufacturerMars Fishcare
Technical specifications
item_weight454 Grams
manufacturerMars Fishcare
item_model_number12J
date_first_availableSeptember 3, 2021
item_package_dimensions_l_x_w_x_h8.54 x 2.28 x 2.2 inches
item_dimensions_lxwxh5.51 x 5.79 x 21.41 inches
brand_nameAPI
target_audience_keywordfish
directionsUse at the first sign of “Ich” (white spots). Remove activated carbon from filter and continue aeration. Add 1 teaspoonful (5 ml) per 5 U.S. gallons (19 L) of aquarium water. Repeat dose after 48 hours. Wait another 48 hours, then change 25% of the aquarium water and add fresh activated carbon. Treatment may be hastened by raising water temperature to 82 F (28 C). Caution: Corals and invertebrates may be sensitive to this medication. We do not recommend usage in reef aquariums or any freshwater or saltwater aquarium with invertebrates. Note: This medication will discolor water and may stain aquarium sealant and ornaments. Use API Bio-Chem ZORB or activated carbon 48 hours after final treatment to remove color from water.
model_nameLIQUID SUPER ICK CURE 16OZ
colormulti
size16 fluid ounces
number_of_items1
styleLiquid
specific_uses_for_productBehavior
product_dimensions5.51 x 5.79 x 21.41 inches; 1 Pounds
best_sellers_rank#2,404 in Pet Supplies ( See Top 100 in Pet Supplies ) #8 in Aquarium Water Treatments

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Customer reviews

4.511,540 ratings
  1. 583%
  2. 417%
  3. 30%
  4. 20%
  5. 10%

Customers say

Customers find the fish medication effective, working within 36-48 hours and curing ich within two treatments.

★★★★★

A Must-Have for Any Aquarist – API Liquid Super Ick Cure!

Tino BrunoFebruary 17, 2025✓ Verified purchase

The media could not be loaded. I recently used the API Liquid Super Ick Cure for my aquarium, and I have to say, it's a lifesaver! Here's why I'm giving it a 5-star review: 1. Fast-Acting Treatment: This liquid medication is incredibly effective in treating Ich (White Spot Disease), which can be a nightmare for aquarium owners. I noticed a significant improvement in just a couple of days after starting treatment. My fish looked much better, and the white spots on their skin began to disappear. It's definitely a quick and reliable solution! 2. Works for Both Freshwater and Saltwater Fish: I love how versatile this product is. Whether you have a freshwater tank or a saltwater aquarium, this medication works for both types of fish. This is a huge plus because I have a mixed tank, and I didn’t need to worry about using separate products for different species. It’s a one-stop treatment! 3. Easy to Use: The API Liquid Super Ick Cure is very straightforward to use. The dosing instructions are clear and easy to follow, making the whole process less stressful. The liquid form makes it easy to add directly to the tank without any mess. I just followed the recommended dosage, and it worked wonders. 4. Safe for Fish: What I appreciate most is that this medication is safe for my fish when used as directed. I didn’t see any signs of distress or negative side effects in my fish, which is always a concern when treating a sick tank. They were able to continue swimming and eating while undergoing treatment. 5. Affordable and Effective: Considering how much I’ve spent on other fish medications that didn’t work, this product was a great value for the price. You get 4 fl oz in a single bottle, which lasts quite a long time, especially for smaller tanks. The results speak for themselves – effective treatment at an affordable price. 6. Keeps the Tank Safe: I was initially worried about using medication in my tank because of the potential harm to plants or beneficial bacteria, but this treatment is safe for use with plants and biological filters. It didn’t seem to affect the tank's overall health, which is a huge relief. 7. Peace of Mind for Fish Owners: As a fish owner, it’s always stressful when diseases strike, but having a reliable treatment like the API Liquid Super Ick Cure gives me peace of mind. I know I can trust this product to handle Ich outbreaks effectively and efficiently. Final Thoughts: The API Liquid Super Ick Cure is an essential product for any aquarium owner dealing with Ich. It’s effective, safe, and easy to use, with fast results. If your fish are suffering from White Spot Disease, this medication is a must-have in your aquarium care kit. 🌟 Highly recommend it! It saved my fish and my tank’s health! Read more

★★★★★

Immediate results for me

NickMarch 11, 2026✓ Verified purchase

3 of my 6 fish developed ick; the bottle says it treats 118 gallons, but I put 8 10ml shots in my 80 gallon tank and the bottle was empty. I removed the charcoal and bumped the temperature up to 82° and the fish were spry and looking 10x better the next day. It's dyes the water blue and requires a change of water eventually, but it's super effective. Read more

★★★★★

Nothing short of an effing MIRACLE!!

CaliDivaJune 4, 2018✓ Verified purchase

I used this product in my downstairs 38 gallon tank but the outbreak started in my upstairs 65 gallon tank so I will start there. I'm writing this review at around 2:45 a.m. on Monday June 4th. Last Thursday at 2 a.m. I noticed that one of my two electric yellow cichlids in my upstairs 65 gallon tank was laying on his side. I proceeded to move him to a quarantine tank. Nothing else seem to be wrong with any other fish in the tank at that time. At 9 a.m. on Thursday morning the yellow cichlid I had moved to the quarantine tank was dead. Thursday evening I noted that the larger of the two yellow cichlids was covered in fuzzy white patches still no other fish appeared to be sick and I still had no idea what was going on. I moved him to a quarantine tank he died the next morning (Friday). I noticed at that time that several of my Guppies in the same tank started to show tattered fins and I knew I had a larger problem on my hands. In this same tank I have two sterbai Cory cats, two Emerald Cory cats, some cherry Barb's, some gourami, a couple silver dollar fish, and a few tetra. I spent most of Friday morning and part of the afternoon researching and scouring the internet to try and determine what was going on with my fish and what I could do to stop it. I came to the conclusion that I had an outbreak of Ich on my hands and I immediately ordered this API product to be delivered the next day (Saturday). However I felt desperate to do something in the meantime so that I wouldn't lose any more fish so I continued to research and found that using high temperatures and or salt addition to the water could be useful. So I increased the temperature of this tank from 76 to 86 degrees (gradually) I also prepared a mixture of two teaspoons of salt for every gallon of water in the tank. I didn't have aquarium salt but I did have pure pink Himalayan salt which I ground up very finely and dissolved in warm water before gradually adding the solution to the tank. And then I turn the lights off to reduce stress. I know that about 90% of the forms online indicate that you should never add salt to a tank with Cory cats. However there are some out there that have had success with using salt in tanks with certain types of Cory cats I will say that mine seem to be doing very well with the salt addition, along with everybody else in the tank. The treatment seems to be a success as everybody else in the tank is doing very well and the Guppies that were exhibiting signs of ich have since started to heal. NOW... the feedback that you really care about which is about this product. Friday evening I noticed that one of my fancy goldfish in my downstairs 38gal tank appeared to have a slight whitish film on his fins and I noted that my yellow cichlid in that same tank had one small white puffball on his fins and it was pretty clear that somehow, I still don't know how, the ich spread to my downstairs tank. But at this point there was only a very small piece on one cichlid and only a little bit on one goldfish. In this tank I have five fancy goldfish, one sterbai catfish, one yellow cichlid, and one Keyhole cichlid. Obviously goldfish being more cold water fish I knew that I couldn't use the extremely high temperature approach I did with my upstairs tank which left me in a very tough position. They're tank I usually keep at 75 degrees. I knew that my order of this API product would be here the next day (Saturday) but I still felt desperate. I raised the water temperature to 82 gradually and went to bed. The next morning all of my goldfish were covered in white film and all of their eyes were covered in a white cloudy film. By11:30am Saturday one of my goldfish had died. My Amazon order arrived at around that same day at around 2:45pm. I immediately administered the recommended dose and removed my active carbon filters and turned the lights off I kept the temperature at 82 degrees. I decided not to put this treatment in the upstairs tank since the salt water and high temps seem to be working. The recommendation was to continue the high temp therapy for 2 weeks then slowly return the tank back to normal temperature. Ok....I KID YOU NOT... at 8pm on Saturday I checked on the fish in my goldfish tank (5 hours after adding API Super Ich) and all of the goldfish had cleared up!! no white film on bodies.. no cloudy eyes and the puffball had fallen off of the yellow cichlid. 5 hours!! If I didn't see it for myself I wouldn't have believed it! It's just simply amazing. I am going to continue with the recommended application which suggests another application 48 hours from the original application and then doing a water change and resuming as normal... but I am simply in awe! Read more

★★★★☆

Does what its supposed to!

SamanthaJuly 6, 2025✓ Verified purchase

We use API products in out tank. We thought this would help our green water problem. As I did help with most of the algae that accumulated from our live plants it did not help with the green water. This worked with our fish, frogs, goldfish, and live plants just fine. Our tank looks prettier with this product keeping the algae at bay! Read more

★★★★★

Get this!!! You don’t need any thing else!!

CaTera VirgesJanuary 11, 2026✓ Verified purchase

10 out of 10! I highly recommend. If I’d started with this treatment, my tank would be cured completely by now. I started the first dose yesterday. The white spots are already gone, by morning. It’s only been one day! It’s easy to use. It’s of great value and quality. There’s no smell. I’m happy my fish are already looking healthy and none of them died. Read more

★★★★★

Best value and works

@unboxingcMarch 9, 2026✓ Verified purchase

Gets the job done! Read more

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