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See Details for instructions to redeem.Simplify your aquatic water maintenance with EcoBio-Block EcoBio-Stone with Beneficial Aquarium Bacteria. Made from Japanese volcanic rock, these unique, mineral-rich porous stones contain nutrients and beneficial natural bacteria spores that only germinate when organic waste is present in the water. The bacteria help break waste down into safer nitrates to clarify and deodorize aquarium water, and also accelerates the nitrogen cycle. Safe for humans, the bacteria are 100% pure microorganisms found in nature. Calcium and trace minerals are also slowly leeched into the water from the stone to create a healthy environment that requires minimum maintenance. This is also great for use with aquatic turtles, terrestrial turtles, tortoises, aquatic amphibians, and invertebrates.
Item Number | 163961 |
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Dimensions | 5.5 x 3.5 x 1.25 inches |
Aquarium Type | Freshwater, Saltwater |
Season | N/A |
Fish Type | Tropical Freshwater, Marine Fish, Betta, Bottom Feeder, Cichlid, Discus, Goldfish, Koi & Pond Fish, Marine Invertebrate |
Reptile Type | Toad, Lizard, Frog, Aquatic Turtle, Painted Turtle, Map Turtle, Red-Eared Slider Turtle, Asian Box Turtle, African Dwarf Frog, Pacman Frog, Fire-belly Toad, Newt, Salamander, Axolotl, Savanna Monitor, Tegu |
To use, rinse off the stone with chlorine-free water, soak overnight and add to your tank, preferably near an air source. If you have an airstone, place it near the airstone. EcoBio-Stones are sized according to the volume of your tank. Once immersed in water, beneficial bacteria in the stone will start to propagate and disperse into the water approximately every 30 minutes. Depending on the size and condition of your tank, it will normally take from 2 to 4 weeks to see results. However, it can be as short as two days and as long as 3 months (very rare). If medication is necessary to treat sick fish, either remove the fish or the block until treatment is completed. The bacteria in EcoBio-Stones are viable at pH 3 - 11 and at temperatures of 50 degrees F to 149 degrees F. The most effective water temperatures are from 77 degrees F to 140 degrees F.
Extra blocks may be necessary depending on variations in the condition of water, temperature and amount of fish. No need to add liquid or powder bacteria.
EcoBio-Stone Size | Dimensions | Treats |
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SMALL | 2.5 x 2.5 x 2 inches | 8 - 16 gallons |
MEDIUM | 3.75 x 3.75 x 2.13 inches | 15 - 40 gallons |
MEDIUM 2 PACK | 3.75 x 3.75 x 2.13 inches | 30 - 80 gallons |
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Buy 2, Get 3rd Free- Mix & Match
Buy 2, Get 3rd Free- Mix & Match
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Buy 2, Get 3rd Free- Mix & Match
Save Extra 50% with First Autoship
Customer Rating | Rated 3.5 out of 5 stars 28 | Rated 4.8033 out of 5 stars 61 | Rated 4.875 out of 5 stars 8 | — | — |
Price | $11.50Chewy Price | $11.99Chewy Price | $7.99Chewy Price | $10.52Chewy Price | $8.99Chewy Price |
Autoship | $10.92Chewy Price | $11.39Chewy Price | $7.59Chewy Price | $9.99Chewy Price | $8.54Chewy Price |
Fish Type | Betta, Bottom Feeder, Cichlid... | Betta, Bottom Feeder, Cichlid, Goldfish, Tropical Freshwater | Marine Fish | Marine Fish | Marine Fish |
Aquarium Type | Saltwater, Freshwater | Freshwater | Saltwater | Saltwater | Saltwater |
It helps to keep my turtle tanks cleaner and is safe, easy to use and not expensive.
They seem to do what the claim, and they look good in a tank. I have one in with my turtle and he lays on it.
Before I put it in my tank it was a little bit cloudy but my tank did not have a smell. I added it as a preventative, but after having it in for a few weeks my tank smells gross and has not helped the cloudiness. It has also started develop little black spots all over it.
I have one for a 10 gallon aquarium. I do weekly water changes so having a source of good bacteria like this block is essential. The water stays clear too. My tank seems better after adding this product and zeolite to my filter too. I have 8 fish in my 10 gallon.
I’ve had an ammonia problem for 2 months in my tank. No matter what I did it never got below .25 ppm. I tried water changes and several types of ammonia neutralizers. I’ve added so many different brands of bacteria. It helped but never got it to 0. My ammonia was 0 less than 24 hours since adding this block. I measured before I added this block and I didn’t add anything else. I also added driftwood to my tank a few days ago that was clouding up the water and this helped clear the water up a lot in not even 24 hours. I know it can take weeks for full effects and I can’t wait for it to be at its full potential. The only downside is that it is kind of big and ugly, but I’m gonna hide it behind some driftwood so it won’t be an issue.