Editor's Choice - Our Favorite EcoBio-Block Aquarium Water Treatments

1. EcoBio-Block Stone for Aquariums, Medium - Natural Water Clarifier and Odor Remover, Treats 15 to 40...

User Ratings: 63 8

EcoBio-Block EBS-M First Impressions

"5 stars all the way!"

You have to understand when to use this product, and what is is used for. When they disinfect a repair site, they are normally only using chlorine. Do not gravel vac or disturb the substrate. However, be aware that the dosage starts at 20 gallons. It gets rid of the chlorine in tap water. Fish are aerobic organisms that are susceptible to ROS. It gets rid of the chlorine in tap water.

  • EcoBio-Block Stone for Aquariums, Medium - Natural Water Clarifier and Odor Remover, Treats 15 to 40 Gallons
  • Volcanic rock containing beneficial bacteria colonies, disperse about every 30 minutes. Clarifies cloudy water and eliminates odors
  • Speeds up nitrogen cycle, with 100% pure bacteria in spores which germinate in early, middle and late stages, only germinating in the presence of organic waste.
  • Reduces need for frequent maintenance by continually replenishing beneficial bacteria for 1 and a half to two years
  • Safe for all fish, reptiles, amphibians and other aquatic life
  • Simple to use, no mess aquarium care in fresh or salt water. M size treats tanks from 15 to 40 gallons.
  • Manufacture: ONEdersave Products LLC
  • Item Weight: 1.12 pounds
  • Product Dimensions: 2.63 x 4.1 x 6.1 inches
  • Editor's Impressions Of The EcoBio-Block EBS-M
  • Treatment Effectiveness
  • Quality
  • Value For Money
  • Affordability

EcoBio-Block EBS-M Final Thoughts

"Never works."

I have a 5 gallon tank, so that number was waaaay too high for me. I have two 36 gallon tanks right now. It's water change day so I did this step first then started cleaning the tank. I'm interested to see how long it works. It has been 4 days and our beta is loving the clearer water. This worked really well for my tank. Use a water conditioner that does not remove ammonia.

Overall Score
4.2


(857 Points)

Peoples Choice - Other Highly Rated EcoBio-Block Aquarium Water Treatments

2. EcoBio-Block Stone for Aquariums, Medium - Natural Water Clarifier and Odor Remover, Treats 15 to 40...

User Ratings: 63 8

EcoBio-Block EBS-M First Impressions

"It was a viscous cycle."

I used to use AmQuel years ago and then spent years out of the aquarium hobby. Dunkin, my Betta doesn't seem to stress out over my adding this. I tried it without the water change and really didn't make a difference. Beats the heck out of those expensive suit cleaners. It is just as good when compared to other brands of conditioner. Thanks to the Amazon reviewer who mentioned this! It just hasn't helped with the tint.

  • EcoBio-Block Stone for Aquariums, Medium - Natural Water Clarifier and Odor Remover, Treats 15 to 40 Gallons
  • Volcanic rock containing beneficial bacteria colonies, disperse about every 30 minutes. Clarifies cloudy water and eliminates odors
  • Speeds up nitrogen cycle, with 100% pure bacteria in spores which germinate in early, middle and late stages, only germinating in the presence of organic waste.
  • Reduces need for frequent maintenance by continually replenishing beneficial bacteria for 1 and a half to two years
  • Safe for all fish, reptiles, amphibians and other aquatic life
  • Simple to use, no mess aquarium care in fresh or salt water. M size treats tanks from 15 to 40 gallons.
  • Manufacture: ONEdersave Products LLC
  • Item Weight: 1.12 pounds
  • Product Dimensions: 2.63 x 4.1 x 6.1 inches
  • Editor's Impressions Of The EcoBio-Block EBS-M
  • Treatment Effectiveness
  • Quality
  • Value For Money
  • Affordability

EcoBio-Block EBS-M Final Thoughts

"It was a viscous cycle."

You need to buy an eye dropper for this. You have to understand when to use this product, and what is is used for. Now our fish have grown and we've added live plants. From their own colon or a hole in the ground. However, be aware that the dosage starts at 20 gallons. I like that it's a large bottle with multiple uses, so that's nice. If you're serious about fish keeping, always quarantine and always use Stress Coat!

Overall Score
4.2


(857 Points)

3. EcoBio-Block 2-Pack Stone for Aquariums, Medium - Natural Water Clarifier and Odor Remover, Treats 3...

User Ratings: 60 10

EcoBio-Block EMS-M2 First Impressions

"It's CLEAR!"

I finally gave in and purchased this product. I used to use AmQuel years ago and then spent years out of the aquarium hobby. She seems ok with it she is behaving like herself. Very good product for an unbelievable price. It's an All Natural Product with out of this world results. Its 9pm and the old cloudy water is now crystal clear! I'm sold on this, I've tried SO MANY and wow.

  • EcoBio-Block 2-Pack Stone for Aquariums, Medium - Natural Water Clarifier and Odor Remover, Treats 30 to 80 Gallons
  • Volcanic rock containing beneficial bacteria colonies, disperse about every 30 minutes. Clarifies cloudy water and eliminates odors
  • Speeds up nitrogen cycle, with 100% pure bacteria in spores which germinate in early, middle and late stages, only germinating in the presence of organic waste.
  • Reduces need for frequent maintenance by continually replenishing beneficial bacteria for 1 and a half to two years
  • Safe for all fish, reptiles, amphibians and other aquatic life
  • Simple to use, no mess aquarium care in fresh or salt water. M size treats tanks from 30 to 80 gallons.
  • Manufacture: ONEdersave Products LLC
  • Product Dimensions: 3.75 x 3.75 x 2.31 inches; 2.28 Pounds
  • Editor's Impressions Of The EcoBio-Block EMS-M2
  • Treatment Effectiveness
  • Quality
  • Value For Money
  • Affordability

EcoBio-Block EMS-M2 Final Thoughts

"It will last a long time!"

However if you want a stress coat, this is perfect. My fish didn't appear negatively effected by it either. When they disinfect a repair site, they are normally only using chlorine. I do not use this as a product to treat my tap water. One planted that has algae problem so bad. It only requires 3 drops per gallon you add to your tank. By the following morning, the water was clear of algae.

Overall Score
4.1


(86 Points)

4. Tetra Cleaning Bacteria for Clean Aquariums & Healthy Water

User Ratings: 74 3

Tetra 77997 First Impressions

"It will last a long time!"

It's a must for anyone who loves Goldfish. Tim's cultures were obviously very alive and active. This only applies to the 1st application. I tried it without the water change and really didn't make a difference. I could see it working immediately which was pretty wild. Tim's cultures were obviously very alive and active. This allows the conditioner time for its anti-heavy metal ingredients to work fully.

  • Tetra Cleaning Bacteria for Clean Aquariums & Healthy Water
  • BENEFICIAL BACTERIAL BLEND: Replenishes beneficial bacteria to help filter pollutants in aquarium water.
  • BIOLOGICAL BALANCE: Works to keep your aquarium healthy and biologically balanced.
  • FOR SUPERCHARGED FILTRATION: Cleans gravel and removes sludge and ammonia.
  • CONVENIENT: Use the cap to measure and dose.
  • USAGE: Use monthly, or when setting up a new aquarium, after a water or filter change, or when adding new fish to ensure healthy water conditions.
  • Manufacture: Tetra
  • Product Dimensions: 1.18 x 3.25 x 5.5 inches; 4 Ounces
  • Editor's Impressions Of The Tetra 77997
  • Treatment Effectiveness
  • Quality
  • Value For Money
  • Affordability

Tetra 77997 Final Thoughts

"Until this mirical!"

I have a 5 gallon tank, so that number was waaaay too high for me. Initially this was used as a sample packet came with our aquarium. If you're serious about fish keeping, always quarantine and always use Stress Coat! It gets rid of the chlorine in tap water. Fish would die occassionally every few weeks or so. I use mine for my beta fish in a 2 gallon tank and need less than a half a cap full. I read the reviews, and decided to give this a try.

Overall Score
4.5


(499 Points)

5. KORDON #39446 100% Natural and Herbal Formula Ich Attack-Ich Treatment for Aquarium, 16-Ounce

User Ratings: 64 9

Kordon MODEL-39446 First Impressions

"It's CLEAR!"

Boy, I thought I was having trouble with my filter. Thanks to the Amazon reviewer who mentioned this! Don't know if that made a difference but it didn't hurt. Fish possess an antioxidant defense system to reduce the negative effects of ROS. Dunkin, my Betta doesn't seem to stress out over my adding this. More doesn't hurt anything, but it's just wasted. I've used API water conditioner before and it works well.

  • KORDON #39446 100% Natural and Herbal Formula Ich Attack-Ich Treatment for Aquarium, 16-Ounce
  • 100% Organic Herbals based on Naphthoquinones
  • 100% Organic Herbals based on Naphthoquinones
  • Helps prevent and treat Single-Celled External Fish Diseases
  • Equally Effective in Fresh and Salt Water
  • Safe for use with Aquatic Invertebrates
  • Made in U.S.A.
  • Manufacture: KORDON LLC
  • Product Dimensions: 2.25 x 2.25 x 8.5 inches; 1 Pounds
  • Editor's Impressions Of The Kordon MODEL-39446
  • Treatment Effectiveness
  • Quality
  • Value For Money
  • Affordability

Kordon MODEL-39446 Final Thoughts

"This a great deal."

However if you want a stress coat, this is perfect. The reviews on people fish dying really spooked me. I know you are going to want to add more chemicals, etc. I've used every product on the market and this is the most AMAZING MUST HAVE PRODUCT! I love all of the API products, especially their easy to use test kits. During cycling you will be using often. I have a 5 gallon tank, so that number was waaaay too high for me.

Overall Score
4.2


(424 Points)

6. API Turtle Products: Sludge Remover to Clean Aquarium, Water Conditioner to Make Tap Water Safe for ...

User Ratings: 76 2

API 440D First Impressions

"Thank you!"

My water was cloudy with a very fine misty haze. This allows the conditioner time for its anti-heavy metal ingredients to work fully. I have two goldfish and a Corydoras catfish. I did water changes, but it didn't help. He started making bubble nests again which ne never did when it was super cloudy. However, be aware that the dosage starts at 20 gallons. I like that it's a large bottle with multiple uses, so that's nice.

  • API Turtle Products: Sludge Remover to Clean Aquarium, Water Conditioner to Make Tap Water Safe for Turtles, TURTLEFIX Remedy to treat bacterial infections and repair damaged tissue
  • Contains one (1) API TURTLE WATER CONDITIONER Water Conditioner 8-Ounce Bottle
  • Made in the US
  • Package weight : 0.65 pounds
  • Package dimensions : 1.75 inches (H) x 1.75 inches (L) x 7.5 inches (W)
  • Manufacture: Mars Fishcare Inc.
  • Product Dimensions: 2 x 2 x 7.5 inches; 10.4 Ounces
  • Editor's Impressions Of The API 440D
  • Treatment Effectiveness
  • Quality
  • Value For Money
  • Affordability

API 440D Final Thoughts

"In my other tank a 5."

The chloramines contain a small amount of ammonia. The reviews on people fish dying really spooked me. If you're treating injured fins or introducing new fish, this is for you. No observable signs of stress in the fish. I decant this to a small 5 oz squeeze bottle and leave the rest in the fridge. I'm sold on this, I've tried SO MANY and wow. I have a great pump and uv light but still had cloudy-ish water.

Overall Score
4.6


(3696 Points)

7. Seachem Flourish Excel Bioavailable Carbon

User Ratings: 82 2

Seachem First Impressions

"I LOVE this product."

By the following morning, the water was clear of algae. Very good product for an unbelievable price. It took a couple of days to clear but it works. The top is a measuring tool as well which I was not expecting. If you have a freshwater fish tank, I highly recommend this product. In the morning I awoke with my fish at the bottom barely able to move. I love all of the API products, especially their easy to use test kits.

  • Seachem Flourish Excel Bioavailable Carbon
  • CARBON PRODUCTION: All plants require a source of carbon, and Flourish Excel is a great and convenient source of bioavailable organic carbon.
  • IRON PRODUCTION: Flourish Excel also possesses iron reducing properties, thus promoting the ferrous state of iron (Fe+2), which is more easily utilized by plants than ferric iron (Fe+3).
  • PHOTOSYNTHESIS: Plants must produce longer chain carbon compounds (photosynthetic intermediates). By dosing with Flourish Excel you bypass the involvement of chain carbon compounds, and introduce the already finished, structurally similar compounds.
  • TREATMENT: On initial use or after a major (> 40%) water change, use 1 capful of Flourish Excel (5 mL) for every 40 L (10 US gallons). Thereafter, use 1 capful for every 200 L (50 US gallons) daily or every other day. For smaller dosing please note that each cap thread is approximately 1 mL.
  • SAFETY: Flourish Excel is completely safe for fish, however if you have Anacharis in an aquarium in which you are dosing Flourish Excel, then it is recommended to use it every other day rather than daily.
  • Manufacture: Seachem
  • Editor's Impressions Of The Seachem
  • Treatment Effectiveness
  • Quality
  • Value For Money
  • Affordability

Seachem Final Thoughts

"This product is AMAZING!"

Fish seem healthy and active during use. I've using this for my betta for several years with every water change. I decided to pick it up once again and struggled mightily my first few months. I didn't purchase this for an aquarium. I decided to pick it up once again and struggled mightily my first few months. This only applies to the 1st application. Tim's cultures were obviously very alive and active.

Overall Score
4.7


(3223 Points)

8. DrTim's Aquatics Reef, Nano, Sea Horse Aquaria Clear-UP Natural Water Clarifier – for Fish Tanks, ...

DrTim's Aquatics 443 First Impressions

"No argument from me."

I know you are going to want to add more chemicals, etc. In my opinion there's nothing better. I use mine for my beta fish in a 2 gallon tank and need less than a half a cap full. Way to go Fluval keep up the good WORK! My tap water is very heavy and this water conditioner does it's magic. Fish possess an antioxidant defense system to reduce the negative effects of ROS. My water is crystal clear like the first day i filled it and i could be happier.

  • DrTim's Aquatics Reef, Nano, Sea Horse Aquaria Clear-UP Natural Water Clarifier – for Fish Tanks, Aquariums, Disease Treatment – Eco-Friendly Solution to Clear Waters – Removes Toxins – 16 Oz.
  • THE BEST WAY TO SANITIZE A REEF, NANO AND SEA HORSE AQUARIUM: Produce crystal clear water when adding this Clear-UP Natural Water Clarifier from DrTim’s Aquatics to your Reef, Nano and Sea Horse fish tanks and aquariums.
  • REMOVES HARMFUL TOXINS FROM REEF, NANO AND SEA HORSE FISH TANKS: The powerful results of this Reef, Nano and Sea Horse Aquaria Clear-UP Natural Water Clarifier are well beyond clear, H20 Pure water. Clear-UP adds beneficial bacteria to your fish tanks and flocs small particles from the water that cloud the Reef, Nano and Sea Horse aquarium.
  • 100% NATURAL, ECO-FRIENDLY FISH TANK CLEANER: Opt for an all-natural approach to revitalizing the water in your Reef, Nano and Sea Horse fish tanks and aquariums with this solution that does not include any harmful chemicals or toxins.
  • AQUARIUM SUPPLIES YOU NEED: Offer your pet fish and corals an environment in which they can thrive with this Clear-UP Natural Water Clarifier for Reef, Nano and Sea Horse fish tanks and aquariums. One & Only is available in quantities that include 4, 8, 16, 32, 64 and 128 ounces.
  • HIGH-QUALITY AQUARIUM PRODUCTS: DrTim’s Aquatics offers an expansive line of aquarium products used by professionals and residential customers. Based on years of experience in marine biology, DrTim’s Aquatics’ products utilize his vast knowledge and are backed by scientific evidence and innovative research.
  • Manufacture: DrTim's Aquatics, LLC
  • Product Dimensions: 3.75 x 1.9 x 7.5 inches; 1.11 Pounds
  • Editor's Impressions Of The DrTim's Aquatics 443
  • Treatment Effectiveness
  • Quality
  • Value For Money
  • Affordability

DrTim's Aquatics 443 Final Thoughts

"Does work well!"

I'll continue to use this product, especially after a good tank cleaning. The equation is already done for you if you buy Dr. Its 9pm and the old cloudy water is now crystal clear! My tap water is very heavy and this water conditioner does it's magic. UV light works on it but not much else. In my opinion there's nothing better. You need to buy an eye dropper for this.

Overall Score
5.0


(3 Points)

9. ECO270E | 9 inch Fine Bubble Diffuser | Aeration for Ponds, Lakes, Wastewater Treatment, Aquaculture...

User Ratings: 55

Thunder Parts AIR-70005 First Impressions

"Highly recommend!"

If you're serious about fish keeping, always quarantine and always use Stress Coat! I had a parasite problem, and had to heal my fishes scales and fins. I use in a freshwater aquarium and works well. The water we get here in SoCal is hard with chlorine in it. No observable signs of stress in the fish. I didn't purchase this for an aquarium. This product is exactly what it says it is.

  • ECO270E | 9 inch Fine Bubble Diffuser | Aeration for Ponds, Lakes, Wastewater Treatment, Aquaculture and More | 3/4 inch NPT Connection | Easy to Install
  • SSI Diffusers offer high oxygen transfer efficiency, low pressure loss and backflow prevention | 9 inch Fine Bubble Disc Diffuser with EPDM membrane | 2mm slits - 3/4 NPT nipple.
  • Aeration Applications in Ponds, Aquariums, Wastewater Treatment, Lakes, Dock Deicing (Aeration prevents water from freezing).
  • Perfect for Aquaculture and Fish Farms | Aeration also helps Mosquito Control by circulating and agitating the water surface.
  • SSI diffusers are made from advanced membrane materials that offer outstanding resistance to chemicals and fouling.
  • SSI Aeration diffusers have proven highly durable and efficient in thousands of municipal and industrial installations around the world
  • Manufacture: Thunder Parts
  • Product Dimensions: 9 x 9 x 2 inches; 1.59 Pounds
  • Editor's Impressions Of The Thunder Parts AIR-70005
  • Treatment Effectiveness
  • Quality
  • Value For Money
  • Affordability

Thunder Parts AIR-70005 Final Thoughts

"Did a tank cycle."

Crystal clear after changing water and adding this to my 2. I hope I made the right decision, Betty is our family pet and is really loved! I had a parasite problem, and had to heal my fishes scales and fins. However if you want a stress coat, this is perfect. This water conditioner is a life saver! If you're treating injured fins or introducing new fish, this is for you. From their own colon or a hole in the ground.

Overall Score
4.5


(4 Points)

10. TetraPond Sludge Reducer, Water Treatment, Keeps Pond Water Clean (16736)

User Ratings: 56 8

Tetra Pond 16736 First Impressions

"This product is amazing."

My water is crystal clear like the first day i filled it and i could be happier. Use a heater and crank it to 82 degrees again without fish in the tank. Thanks to the Amazon reviewer who mentioned this! I've used it for years with great results. I swim 5x week and usually my suits last about 2 months. This is definitely worth trying if you have cloudy water. However if you want a stress coat, this is perfect.

  • TetraPond Sludge Reducer, Water Treatment, Keeps Pond Water Clean (16736)
  • REDUCES SLUDGE Breaks down unsightly pond sludge while helping boost your pond’s biological filtration level
  • BENEFICIAL BACTERIA Helps balance your pond’s biological needs with a blend of beneficial bacteria and enzymes for cleaner clearer water
  • CLEAR WATER With Clear-Zyme Technology to keep pond water clean and clear
  • FOR POND MAINTENANCE Ideal for use when setting up new ponds for fall winterizing and for spring startup
  • EASY-TO-USE BLOCKS No need to measure – each block treats 250 gallons of water
  • Age Range Description: All Life Stages
  • Included Components: Water Fountains And Accessories
  • Pond-Water-Treatments
  • Manufacture: TetraPond
  • Product Dimensions: 3.63 x 1.63 x 5.5 inches; 4.94 Ounces
  • Editor's Impressions Of The Tetra Pond 16736
  • Treatment Effectiveness
  • Quality
  • Value For Money
  • Affordability

Tetra Pond 16736 Final Thoughts

"This product is AMAZING!"

This is my absolute favorite conditioner I have used for all my aquatic creatures. Makes me want to get more aquarium's, lol. The equation is already done for you if you buy Dr. This only applies to the 1st application. I recieved it today at 3pm and applied it around 4pm. More doesn't hurt anything, but it's just wasted. I didn't purchase this for an aquarium.

Overall Score
4.1


(666 Points)

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