It absolutely cleared up the Cyanobacteria in my 50 gallon freshwater tank!

I've kept various aquariums over the last 30 years and periodically I have battled the dreaded blue green slime algae. Spoiler alert: the algae ALWAYS wins.When the algae made its appearance in my 20 gallon tank this January I was crushed. I began removing it by hand every other day. It was disgusting and the smell... if you've had this algae you know the smell I am talking about. Even removing as much as I could by hand within 48 hours it looked like I hadn't done anything at all.Google came to the rescue and I found out about this product. I was skeptical because I couldn't find anything about what the ingredients are. Just that it's not an antibiotic (this is actually cyanobacteria and traditionally fishkeepers would treat with antibiotics back in the day) and is safe for fish, shrimp, and plants. I decided I didn't have anything to lose and gave it a shot.I added the first dose and noticed the next day that the algae didn't appear quite as green. The second dose goes in 48 hours later and I was already seeing a small improvement. After a week you can add a third dose if needed. I watched the algae basically vanish out of my tank over the next few days. 7 days from the first dose there is no sign that the algae was ever there. Even the smell is gone! I am stunned by how well this worked and there was no damage to my plants, fish, or my shrimp. The two photos attached show my tank the day of the first dose and 1 week after with no cleaning or water changes done. Absolutely amazing.

I have a 10-gal tank that I suspect got seeded with this "green slime" bacteria during the addition of some new fish about six months ago. The water seemed unusually cloudy for several days and then over the next month everything steadily became covered with bright green algae-looking stuff. The tank also started to emit an earthy pond-water odor. I was periodically pulling the stuff off the tank bottom and the plants to try to keep them from being totally choked out, but I clearly needed to take more aggressive action to stop the stuff.I read a number of reviews and opinions, and this product looked like the best combination of safe and easy. The manufacturer is very vague about what it's actually made from, but it appears to be a biological extract, not a chemical or pharmaceutical compound.About three months after the suspected seeding event, I did an initial dose following more manual de-sliming. I followed the instructions carefully for the amount and process of dissolving in warm water, etc. I was hoping to see what some others had described, where the slime was clearly dying and disappearing within a few days, but after a week all I noticed was a slow yellowing in certain areas. The instructions mention re-dosing, so at that point I did a second round. The yellowing continued into a light brown, but the dead biomass never really disappeared. The fish and shrimp seemed uninterested, so apparently it doesn't taste as good as actual algae.Eventually, about a month after the initial treatment, I declared the operation complete and spent an evening rubbing dead slime off various surfaces and vacuuming up the debris. Perhaps most importantly, it hasn't returned in the couple months since, something a few others had described with frustration.In conclusion, I think this is probably the best treatment option out there, as it did stop the slime and had no apparent side effects on the fish and plants. Just beware that the die-off may occur slowly over a few weeks, and you should expect to clean up some debris after treatment.I will also mention that the instructions say to increase aeration during treatment, perhaps expecting that the decay of dead slime may deplete oxygen levels. My only aeration normally is a HOB-filter, and I didn't really want to buy a pump and air stones just for this exercise. So, I ran the initial couple weeks of treatment with the water level a couple inches low to create more splashing from the HOB waterfall. Minimizing oxygen demand was also a motivation for my thorough manual slime removal at the time of the initial dosing. Not sure which of these was more important, but I didn't have any deaths or notice other fish stress during the treatment period.

First, this product is amazing! Now read my story on why it's amazing. Trust me it works. After a long absence from the hobby of freshwater fish, my wife and I returned about a year and half ago. With a little bit of re-learning curve, the tank was doing great for a year almost. We have a happy bonded pair of EB Acara that breed regularly, a happy and large Clown Fish, several Rams and lots of Julii Cory--along with snails and other fish. It all was going so well with regular maintenance, feeding them frozen worms and brine shrimp everyday, good water quality, no lose of life, pretty live plants...our tank was awesome!Then it happened. Not sure why or how. And after HOURS of research and talking to the LPS folks, still no clearer answer was found. And nothing I did could fix this ugly Blue-Green slime covering everything in the tank. I tried it all--all the advice of experts. I did large water changes, cleaned all the plants with 3% Hydro-P and I would get the tank green free and BAM! the gross green slime would return quickly. I did everything suggested--more light, less light, new lights, more chemicals, less chemicals, more cleaning, anti-Algae treatments, less food, different food, different canister filter set-ups, and on and on (some of the attempts were pretty expensive too)... nothing worked. I mean Nothing At All. I was very close to throwing in the towel completely. Research shows the number 1 reason why people leave this hobby is Algae. That was almost me.But finally one night after giving it one more shot and looking around on the internet I discovered that it is NOT Algae after all, but instead a bacteria. Called Cyanobacteria - Blue-green Algae (but its no Algae). So armed with this new information I stumbled onto this product on the hobby blogs and looked here on Amazon and read the reviews and looked at the pictures. Shocked I saw the exact same problem in those photos that we had!So I ordered UltraLife immediately. And I'm very happy to report two weeks later it is all gone. No more Blue-Green Slime and as an added bonus my tank looks almost new again. All the live plants look healthier, the stuff in the tank looks cleaner and the sand on the bottom looks almost new again, the downed Zero is clean again. I am so thankful for this product! It actually changed my life and made me happy with the hobby that we have literally way over a thousand dollars invested in. And to think, I was about to throw it all away!As the great reviews I read here said, why this product is not on the shelf of every LPS and major pet store chain is beyond me. Another reason why I guess I do almost 90% of my shopping here on Amazon. Anyway, if you have a bright green slime that looks like green Algae, it is not and to get rid of it completely -- use this amazing product, nothing else works, trust me. I simply took a large 2 liter bottle of UV freshwater sold at the nearby chain pet store, mixed in half the powder from the little bottle of UltraLife and let that sit for a few hours. Then I poured into my 80 gallon tank. Nothing happened at all for a few days, but then I could see it working some. It was breaking down and destroying the Blue-Green slime. It almost got it all after a week, but my tank was bad off. So I did a small water change and then repeated again. The rest of the small bottle of powder in another 2 liter freshwater UV purified store bottle and into the tank after it dissolved. Now another week later it is all gone and the tank looks great!In the picture I've attached its gone. But just a short two weeks ago almost the entire bottom was covered in a really bright green slime. It was all over the plants, the downed Zero plane, and on the heater, the Co2 diffuser, the bio sponge filter, etc. -- no its completely gone! I will always have this product on hand for now on. Try it, it works and its amazing.