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🛡️ Keep your fish thriving with the miracle water shield!
API Stress Coat Aquarium Water Conditioner is a 4-ounce liquid formula designed to detoxify tap water, protect fish by enhancing their slime coat, and promote healing of damaged fins and skin with natural aloe vera. Suitable for treating up to 240 gallons, it’s a trusted, top-ranked product with over 38,000 positive reviews, making it essential for every aquarium setup and water change.



















| ASIN | B000255MYW |
| Allergen Information | Apple Free |
| Best Sellers Rank | #848 in Pet Supplies ( See Top 100 in Pet Supplies ) #2 in Aquarium Water Treatments |
| Brand | API |
| Brand Name | API |
| Customer Reviews | 4.8 out of 5 stars 38,758 Reviews |
| Global Trade Identification Number | 00317163030851 |
| Item Form | Liquid |
| Item Type Name | Aquarium Water Conditioner |
| Item Weight | 136.08 g |
| Liquid Volume | 4 fluid ounces |
| Manufacturer | Mars Fishcare |
| Manufacturer Part Number | 85B |
| Model Number | 85B |
| Number of Items | 1 |
| Number of Packs | 1 |
| Pet Type | Fish |
| Target Species | Fish |
| UPC | 317163304853 317163030851 |
| Unit Count | 1 Count |
C**J
Not Just for Fish! Also Great for Plants!
I don't use this for an aquarium. In fact, I don't even have an aquarium. It was recommended by a plant expert to use in the water I use to water my plants. Hard, chlorinated water filed with chemicals is not good at all for plants and while it won't kill most of them, some of them end up unhappy over time. When I first heard about this product, I was skeptical. Could it really help with my plants? Well, upon researching, apparently so! It removes not only chlorine, which is in all tap water, it removes chloramines and heavy metals. They're all bad for fish and bad for plants as well! The price is low and I use just 2 - 3 drops with each gallon of tap water, immediately takes action. No waiting! I bought the 4 ounce size and at this concentrate, that much will last me years (and I have a lot of house plants. There's not much odor, it's clear and a little thicker than water. This is a no-brainer. I'm happy I discovered it.
H**0
Great for Treating Water for Plants
I bought API Stress Coat to treat and neutralize my water before using it to water my plants, and it has worked great for what I needed. It’s easy to measure and use, and I like having an easy way to condition the water before giving it to my plants. The 16 ounce bottle is a good size and should last me quite a while. It’s a simple addition to my plant care routine, and I’m glad I found it. I’ll definitely keep this on hand for future watering.
T**E
Magic in a Bottle for Your Aquarium!
Having a home aquarium can be a tricky endeavor, especially when it comes to maintaining a healthy environment for your fish. This product has been a game changer for me. Firstly, the 16-ounce size is very economical. It lasts quite a while even with regular use, which is great for someone who doesn’t want to constantly repurchase supplies. The application process is straightforward and easy – just follow the instructions on the bottle. The most impressive part is its effectiveness. Since using this conditioner, I’ve noticed that my fish are visibly healthier and more active. Their colors are more vibrant, and they seem less stressed, especially after water changes or when introducing new fish to the tank. The product claims to reduce fish stress by 40% and it really seems to live up to that promise. Another major benefit is how it treats tap water. The conditioner neutralizes chlorine, chloramines, and heavy metals present in tap water, making it safer for the aquarium. This is crucial for the wellbeing of the fish and helps maintain a balanced ecosystem in the tank. Overall, I highly recommend the API STRESS COAT Aquarium Water Conditioner to any aquarium enthusiast. Whether you’re a beginner or an experienced fishkeeper, this product is a must-have in your aquarium care toolkit. It’s a small investment for the huge benefit it brings to the health and happiness of your aquatic pets.
S**E
Super Value Of Great Product
I've been using this stuff for years and I usually buy local but I saw the price , already had something in my cart so I added it to save me a trip to the pet big box store . I thought I was getting the usual small bottle and when it arrived and it was 16oz I immediately thought there was a mistake . I went back and looked and it was correct . I usually get 4oz for the same price (unless on sale) locally (big box per store) and I didn't have to fight mall traffic only to search forever for a parking spot . When starting a new setup , doing a partial water change , or just adding water this stuff is a must . I add 1 gallon at a time to my 50 gallon tank and the 1 gallon mark doesn't exist but I measured out the correct amount the first few times and now just approximate it using the cap to just about double what 1 gallon calls for . It works instantly , unlike some others , so I can do the needed addition at my convenience and the fish don't seem to mind the fresh water going into the tank . No color , no change in chemical and biological balances and no smell . If you've got a fresh water tank you need this stuff .
C**E
Nice product
It looks to work well. I see some bubbles in the water surface after using this product, but it may not be a real issue.
D**E
A must have
Stress Coat is wonderful stuff. One of my Orandas was laying eggs and one of my males tore off a few of the scales on her side overnight. I put her in a hospital tank with Stress Coat and she was visibly better within a few days. And within a few hours after the move she had settled down and wasn't as agitated. Definitely something every aquarium owner should have on hand.
R**S
The Fish Like It
We have a water garden on our deck. It holds about 7-8 gallons and we have goldfish and aquatic plants in it. The fish cannot tolerate tap water because of the purification chemicals, so we were buying spring water at the grocery store. Using API Stress Coat is much cheaper because we can now use tap water. We add .5 ml per gallon and it de-chlorinates it. Plus, it has aloe vera to help heal and fin damage and prevents stress from water imbalance. It helps promote clear water.
A**G
Try it
It helps with the plants that's easily to get their tits Brown it helps cut back on that and I like it.
R**E
Excelente Producto
Es un producto muy bueno para quitar cloro, cloraminas y metales pesados además de quitar el stress de los peces.
R**Y
Worth Buying
Works like magic. Keeps my fishes calm.
M**R
Super producto
Muy buen producto, ayuda en la regeneración de escamas, y en general en la salud de los betas si sufrieron alguna lesión. Super recomendado!
D**.
It works
For the fish tank
S**H
Awesome product n amazing deal
Love it use it every time I put water in the rank n fish r healthy . N growing . Amazing price compare to pet store u pay twice as much n as mallet bottle . Was surprised on the size outlet I got . Thank u
Trustpilot
4 days ago
2 weeks ago