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ProductsWater CareBiological Starters
Marineland Bio-Spira
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Product Description:
Marineland Bio-SpiraAdvanced nitrifies instantly remove harmful ammonia and nitrite. Includes sludge cleaning bacteria for a clear, healthy aquarium.

-Add entire pouch to cycle new aquariums or dose as directed to replenish bacteria after maintenance, filter cleaning, or when adding new fish.
-Cleaner bacteria (proprietary mix of Bacillus) help break down organics, reduce sludge, keep gravel cleaner and provide clear, healthy water.
-Unique breathable pouch protects live bacteria by providing gas exchange and ensuring maximum performance
Product Specifications:
Available in 100ml and 250ml breathable bags.
Sponsor's Website:
User Ratings: (60 reviews)
Overall: 8.98
Value/Cost: 7.93
Effectiveness: 9.27
Quality: 9.32
Ease of use: 9.38
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Found: 60 reviews Page  1 2 3 5 - View all
Kensaku has used this product for 0-1 Month.
Overall Rating: 5/10 August 5, 2003
"Is not very effective for fishless cycle"
I thought I'd give this product a try for a 10G quarantine tank that I was fishless cycling. I poured the product in one day before adding ammonia. I added a minimal amount of ammonia (1.0ppm) in regards to fishless cycling standards. I never got any detectable signs of nitrite, good! But, I never got any detectable signs of nitrate after 4 days of using this product and adding ammonia. Best bet to start a fishless cycle is to add existing media from an established tank. Better yet, if you can get your hands on enough bio-media, you can fully and instantly cycle your tank better than this expensive pouch of cold stuff.
bigdaddy has used this product for 0-1 Month.
Overall Rating: 7.25/10
"with this, I don't have to cycle my tanks with ammonia anymore"
This stuff really works. If you can get you should use it. The only downfall is the price but, if you don't have to smell ammonia anymore it's worth it.
vocal has used this product for 0-1 Month.
Overall Rating: 9.75/10
"It works!"
Nitrite level was pretty high in my 2 week new still-being-cycled 35 gallon tank. Unfortunately, a friend wanted to pass me some Cichlids immediately. I had to resort to Bio-Spira. I bought the 1 oz bag for $13, pour it in 4 hours before I put in nine 1 1/2 inch babies. Nitrite is undetectable the next day and my fish is active and living well. I am a believer, thanks to Hovanek.
vetboy44 has used this product for 0-1 Month.
Overall Rating: 9.75/10
"Fantastic product"
I put 3 oz. of Bio-spira into my new 55 gallon cichlid tank about 15 minutes before adding the fish. Now I'm at day 8 with 16 cichlids and 4 syndontis and I haven't had any measureable amounts of ammonia or nitrite. It is a little pricey but if you're like me and don't want to wait a month or more for the tank to cycle, this product is exactly what you need. I can't recommend it highly enough. Just make sure to buy it refrigerated and keep it that way.
Kravin Morfish has used this product for 0-1 Month.
Overall Rating: 9.25/10
I had a newly setup 72 gallon tank that had an ammonia spike of 3 to 4. I put in 3oz of this product and in 48 hours my ammonia was at 0, nitrites 0 and nitrates at 20-30. Costly at $20/3oz but worth the price for its effectiveness.
CITADELGRAD87 has used this product for 1-3 Months.
Overall Rating: 10/10
"It Works"
One new fishkeeper. 55 gallons, 13 fish, and a packet of this stuff made me a believer.

Especially with agressive fish, it seems to me an advantage to be able to fully stock a tank and not worry about ammonia.

Well, I still worried, but there was never a problem.
Bootlegger has used this product for 0-1 Month.
Overall Rating: 9.25/10
A very simple process that had my tank up and going immediately. I highly recommend this biological starter.
colordog has used this product for 3-12 Months.
Overall Rating: 9/10
"Nearly instant nitrogen cycle"
This product is awesome! It actually does instantly start the nitrogen cycle, unlike most other biological starters. This is likely due to the prescene of Nitrospira, which is the actual bacteria is nature that oxidizes nitrite to nitrate. I started up a fresh 110 Gal African cichlid tank with 25 fish, and never had ammonia spike past 2ppm and nitrite was never over 1ppm. This product is certainly more expensive than some of the other biological starters; but then, it actually works, and fast - an important thing when a tank can hold $700 of cichlids.
Vinny has used this product for 0-1 Month.
Overall Rating: 10/10
"This product really does what it say's"
never had any detectable levels of ammonia, the nitrites spiked after 3 days
and went to o.o ppm in only 6 days. ten days and twelve cichlids ammonia 0.0 ppm, nitrites o.o ppm.
gman2003 has used this product for 0-1 Month.
Overall Rating: 10/10
"Almost instant tank cycling"
I added this to the water about a 1/2 hour before my cichlids. The water on the second day was a little cloudy, by the third day it was clear again. I didn't have an ammonia or nitrite test kit, so I took a water sample to a LFS on the fourth day, and the ammonia and nitrite readings both had a reading of 0! I highly recommend this stuff to anyone starting a new tank.
MbunaDude has used this product for 1-3 Months.
Overall Rating: 9.25/10
"This is a product worth using!"
I cycled my 75 gallon tank with bio-spira and added 7 juvenille cichlids immediatly...There have been no problems. A very good value,very easy to use. well worth the money if you don't want to wait for you tank to cycle.
wdhdoc has used this product for 0-1 Month.
Overall Rating: 10/10
"It Works!"
With scepticism, I added the appropriate amount to my stocked 36 gallon bowfront. Both ammonia annd nitrite readings plummeted to 0 within 24 hours, and nitrate rose promptly. No problems since. I have never tried any of the other products in this class, but BioSpira appears to be a winner!
2ToneArmy has used this product for 0-1 Month.
Overall Rating: 9.5/10
"Bio-Spira works, use it."
Ok there isn't much to say here, this stuff works I haven't had a fish die yet since setting up my new aquarium. Only complaint is that I bought it in bag form of 3 oz (90 gal). I used only 2 oz. for my 55 and had throw rest away because it didn't come in a bottle, but a pouch. Not really enough reason to not buy this though.
bumblebee has used this product for 0-1 Month.
Overall Rating: 10/10
"How could it get any easier?"
I cycled my 75 gal with this product and added fish right away...no problem. It was well worth the 21 dollars
ODHORSE has used this product for 1-3 Months.
Overall Rating: 10/10
"This is the real deal!"
One of the few products I've ever used that came through as promised. 1 day after putting it in my tank the ammonia and nirtites were 0 and the nitrates began to rise slowly from baseline. 1 month after, the story is still the same. I believe this product will change the way everybody cycles aquariums. It cost me $21.99 (US) for a 3oz bag, enough for a 90 gallon tank. My only complaint is that it was difficult to find.
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