Editor's Choice - Our Favorite Hydor Aquarium Water Treatments

1. Hydor Prodibio Cure Aquarium Medication Worms and Parasites for Freshwater 6 Vial USA USA

User Ratings: 88

Hydor PRO-00621 First Impressions

"It's CLEAR!"

Initially this was used as a sample packet came with our aquarium. If you have a freshwater fish tank, I highly recommend this product. I have two goldfish and a Corydoras catfish. This is my go to water conditioner and stressed fish treatment. The chloramines contain a small amount of ammonia. It has been 4 days and our beta is loving the clearer water. Easy to dispense the product without mess and easy to use per instructions.

  • Hydor Prodibio Cure Aquarium Medication Worms and Parasites for Freshwater 6 Vial USA USA
  • Prodi bio Cure Aquarium Medication, Worms and Parasites for Freshwater
  • At the end of the treatment period, the use of Bio digest Start (included) allows the regeneration of biological filtration, which helps bring the aquarium back to a healthy state
  • Manufactured in France
  • Manufacture: Central Pet Distribution
  • Product Dimensions: 3 x 2.75 x 0.75 inches; 1.28 Ounces
  • Editor's Impressions Of The Hydor PRO-00621
  • Treatment Effectiveness
  • Quality
  • Value For Money
  • Affordability

Hydor PRO-00621 Final Thoughts

"Sky high ammonia."

Fish seem healthy and active during use. I love all of the API products, especially their easy to use test kits. I've used every product on the market and this is the most AMAZING MUST HAVE PRODUCT! My water is crystal clear like the first day i filled it and i could be happier. You have to understand when to use this product, and what is is used for. This is my go to water conditioner and stressed fish treatment. I have used this consistently since cycling my small sized fresh-water tank.

Overall Score
4.8


(6 Points)

2. Tetra BettaSafe Water Conditioner

User Ratings: 80 2

Tetra 16837 First Impressions

"Shake well before use."

Use a water conditioner that does not remove ammonia. Fish are aerobic organisms that are susceptible to ROS. Pictures included to see the difference. In the last two months I have seen this product work its gold. This came just in time for my water change day! 4-5 squirts in a sink of water, soak my suit 10 min, wring out and hang to dry. I use in a freshwater aquarium and works well.

  • Tetra BettaSafe Water Conditioner
  • WATER CONDITIONER: Makes tap water safe for bettas and other ornamental fish.
  • REDUCES STRESS: Neutralizes harmful chlorine, chloramines, ammonia and heavy metals in aquarium water.
  • FAST-ACTING: Works in seconds.
  • COMPLETE FORMULA: Use when setting up a new aquarium, with monthly partial water changes and evaporation replacement.
  • USAGE: Use monthly for maintenance.
  • Manufacture: Tetra
  • Product Dimensions: 1 x 1.88 x 3.69 inches; 2.46 Ounces
  • Editor's Impressions Of The Tetra 16837
  • Treatment Effectiveness
  • Quality
  • Value For Money
  • Affordability

Tetra 16837 Final Thoughts

"New tank syndrome."

Thanks to the Amazon reviewer who mentioned this! Fish would die occassionally every few weeks or so. Fish possess an antioxidant defense system to reduce the negative effects of ROS. I recieved it today at 3pm and applied it around 4pm. DON'T just wait everything will be fine. I wanted to see if it would take the chlorine out of my swimsuit. One planted that has algae problem so bad.

Overall Score
4.7


(4379 Points)

3. API ACCU-CLEAR Freshwater Aquarium Water Clarifier

User Ratings: 78 4

API 111C First Impressions

"Very little was eaten."

It is just as good when compared to other brands of conditioner. I'm hoping this one works out if not I'm sticking to the one I used before. Its 9pm and the old cloudy water is now crystal clear! Easy to dispense the product without mess and easy to use per instructions. The bottle will last me years as it is huge! If either or both ammonia and Nitrite are above 1ppm do not add ammonia. I finally gave in and purchased this product.

  • API ACCU-CLEAR Freshwater Aquarium Water Clarifier
  • Contains one (1) API ACCU-CLEAR Freshwater Aquarium Water Clarifier 8-Ounce Bottle
  • Clears cloudy aquarium water
  • Clumps floating particles into large clusters that can be easily removed by an aquarium filter
  • Works fast and maximizes filter efficiency
  • Use weekly and when cloudy water is observed in freshwater aquariums only
  • Manufacture: Aquarium Pharmaceuticals
  • Product Dimensions: 2 x 2 x 7.5 inches; 10 Ounces
  • Editor's Impressions Of The API 111C
  • Treatment Effectiveness
  • Quality
  • Value For Money
  • Affordability

API 111C Final Thoughts

"This pristine is amazing!"

I have two 36 gallon tanks right now. We use it when we clean& change out water. I use in a freshwater aquarium and works well. I hope it makes the swimsuit last longer. This worked really well for my tank. I could see it working immediately which was pretty wild. But the septic tank bacteria did nothing.

Overall Score
4.6


(3566 Points)

4. API Stress Coat Water Conditioner, Makes tap Water Safe, Replaces fish's Protective Coat Damaged by ...

User Ratings: 86 1

API 603A First Impressions

"So far is going good."

The reviews on people fish dying really spooked me. In my opinion there's nothing better. My water is crystal clear like the first day i filled it and i could be happier. Fish possess an antioxidant defense system to reduce the negative effects of ROS. I was sort of nervous buy this product and trying it out. No exaggeration-- literally cleared overnight. But the septic tank bacteria did nothing.

  • API Stress Coat Water Conditioner, Makes tap Water Safe, Replaces fish's Protective Coat Damaged by handling or Fish Fighting, Use When Adding or Changing Water, Adding Fish and When Fish are Injured
  • Contains one (1) API STRESS COAT 16-ounce, one (1) API STRESS ZYME 16-ounce, and one (1) API TROPICAL FLAKES 1.1-ounce
  • Makes tap water safe and protects fish with dual-action formula
  • API STRESS COAT makes tap water safe and protects fish with dual-action formula
  • API STRESS ZYME consumes sludge to help keep gravel and decorations clean
  • API TROPICAL FLAKES Fish Food contains key nutrients for a complete and balanced diet for all freshwater tropical fish
  • Feed fish 2x daily, use API STRESS ZYME weekly and add API STRESS COAT when changing water at least every 2 weeks or when adding new fish
  • Manufacture: Mars Fishcare
  • Product Dimensions: 7.88 x 2.5 x 8.88 inches; 2 Pounds
  • Editor's Impressions Of The API 603A
  • Treatment Effectiveness
  • Quality
  • Value For Money
  • Affordability

API 603A Final Thoughts

"Then go for it."

Thanks to the Amazon reviewer who mentioned this! I know you are going to want to add more chemicals, etc. Crystal clear after changing water and adding this to my 2. Fish possess an antioxidant defense system to reduce the negative effects of ROS. I'll continue to use this product, especially after a good tank cleaning. I've used every product on the market and this is the most AMAZING MUST HAVE PRODUCT! I decided to pick it up once again and struggled mightily my first few months.

Overall Score
4.8


(1183 Points)

5. Hikari Usa AHK72238 Ultimate Water Conditioner for Aquarium, 1-Gallon

User Ratings: 89 5

Hikari Usa Inc. 42170 First Impressions

"Recommend."

Dunkin, my Betta doesn't seem to stress out over my adding this. The water we get here in SoCal is hard with chlorine in it. The bottle will last me years as it is huge! This is my absolute favorite conditioner I have used for all my aquatic creatures. I use in a freshwater aquarium and works well. The afternoon I received this product I added half a dose to each aquarium. I recieved it today at 3pm and applied it around 4pm.

  • Hikari Usa AHK72238 Ultimate Water Conditioner for Aquarium, 1-Gallon
  • Hikari ultimate gallon
  • Ultimate is the world's first full-function water conditioner
  • Everything you need in one bottle to maintain a superior environment for your aquatic pets
  • Manufacture: TopDawg Pet Supply
  • Product Dimensions: 0.02 x 0.02 x 0.02 inches; 0.32 Ounces
  • Editor's Impressions Of The Hikari Usa Inc. 42170
  • Treatment Effectiveness
  • Quality
  • Value For Money
  • Affordability

Hikari Usa Inc. 42170 Final Thoughts

"I recommend."

I read the reviews, and decided to give this a try. I'm sold on this, I've tried SO MANY and wow. Tim's cultures were obviously very alive and active. In the last two months I have seen this product work its gold. Do not gravel vac or disturb the substrate. I hope I made the right decision, Betty is our family pet and is really loved! I like API products and this is no different.

Overall Score
4.7


(39 Points)

6. T-H Marine U264-FW G-Juice Livewell Treatment - Freshwater, 64 oz.

User Ratings: 90 2

T. H. Marine 3003.6244 First Impressions

"Especially the Soothe."

Thanks to the Amazon reviewer who mentioned this! The aquasafe works instantly upon mixing with tap water. However, be aware that the dosage starts at 20 gallons. In my opinion there's nothing better. API Stress Coat is a phenomenal product. I was sort of nervous buy this product and trying it out. I hope it makes the swimsuit last longer.

  • T-H Marine U264-FW G-Juice Livewell Treatment - Freshwater, 64 oz.
  • Non-toxic to humans, pets and aquatic life
  • Removes nitrites, ammonia, chlorine, chloramines, and heavy metals
  • Does not contain any salt
  • Promotes healing (torn scales, hook punctures, etc.)
  • Adds essential electrolytes
  • Non-toxic to humans, pets and aquatic life
  • Removes nitrites, ammonia, chlorine, chloramines, and heavy metals
  • Manufacture: T-H Marine
  • Product Dimensions: 475 x 475 x 950 inches; 3.06 Pounds
  • Editor's Impressions Of The T. H. Marine 3003.6244
  • Treatment Effectiveness
  • Quality
  • Value For Money
  • Affordability

T. H. Marine 3003.6244 Final Thoughts

"I am SO HAPPY!"

I know you are going to want to add more chemicals, etc. I know you are going to want to add more chemicals, etc. You need to buy an eye dropper for this. I know you are going to worry about your fish DON'T they are fine. Easy to dispense the product without mess and easy to use per instructions. I hope I made the right decision, Betty is our family pet and is really loved! This product is exactly what it says it is.

Overall Score
4.8


(59 Points)

7. Ph Up Bottle Water Conditioner [Set of 2] Size: 16 oz.

User Ratings: 87

Mars Fishcare North America First Impressions

"If you are not using Dr."

From their own colon or a hole in the ground. Just an idea incase someone doesn't have a spare dropper. But the septic tank bacteria did nothing. My water is crystal clear again, and it smells like a healthy fish tank again. Dealing with biological cloudiness in my tank for some time. I tried it without the water change and really didn't make a difference. I have a Fluval tank and only use their chemicals.

  • Ph Up Bottle Water Conditioner [Set of 2] Size: 16 oz.
  • Contains 2 API pH UP Freshwater Aquarium Water pH Raising Solution 16-Ounce Bottle
  • Raises freshwater aquarium water pH with a phosphate-free formula
  • Does not promote algae growth with pH adjustments and is safe for plants and fish
  • Slowly neutralizes acidic substances that cause low water pH
  • Pack of 2
  • Manufacture: API
  • Product Dimensions: 3.25 x 2.5 x 8.75 inches; 2.8 Pounds
  • Editor's Impressions Of The Mars Fishcare North America
  • Treatment Effectiveness
  • Quality
  • Value For Money
  • Affordability

Mars Fishcare North America Final Thoughts

"I highly recommend this."

My filter including polishing element could not clear it up. The difference is that he was going twice his normal speed. Ever since I made this purchase, my fish are not dying at all. My filter including polishing element could not clear it up. Ever since I made this purchase, my fish are not dying at all. The reviews on people fish dying really spooked me. My filter including polishing element could not clear it up.

Overall Score
4.9


(11 Points)

8. Tetra 77140 EasyBalance PLUS Water Conditioner, 16.9-Ounce

User Ratings: 78 3

Tetra 77140 First Impressions

"Highly recommended."

I have been battling cloudy water in our small aquarium for two months. I've had my fishy for 5 years now and I would say it's ALL because of Fluval. This water conditioner is a life saver! By the following morning, the water was clear of algae. It has been 4 days and our beta is loving the clearer water. This water conditioner is a life saver! No observable signs of stress in the fish.

  • Tetra 77140 EasyBalance PLUS Water Conditioner, 16.9-Ounce
  • age_range_description: all stages
  • Alkalinity and pH stabilizers prevent sudden, dramatic swings in pH that can be harmful to fish
  • Manufacture: Tetra
  • Product Dimensions: 2 x 3.75 x 8.5 inches; 1.24 Pounds
  • Editor's Impressions Of The Tetra 77140
  • Treatment Effectiveness
  • Quality
  • Value For Money
  • Affordability

Tetra 77140 Final Thoughts

"No argument from me."

My water is crystal clear again, and it smells like a healthy fish tank again. Fish seem healthy and active during use. But the septic tank bacteria did nothing. This is my go to water conditioner and stressed fish treatment. Yes I know, they aren't supposed to live that long and no I can't prove it. The water we get here in SoCal is hard with chlorine in it. My water is crystal clear again, and it smells like a healthy fish tank again.

Overall Score
4.6


(2165 Points)

9. Potassium Permanganate Live Fish Disinfect Aquariums Clean Water Treatments 10 30 50 70 90 110 G.

User Ratings: 81 6

Unknown First Impressions

"I was getting 30-40 ppm."

It only requires 3 drops per gallon you add to your tank. I have two 36 gallon tanks right now. Use a heater and crank it to 82 degrees again without fish in the tank. This is the 5th since I put in the product and my tank is crystal clear. 1st day, I put product in tank with Fluval Biological Cleaner for Aquariums also. Fish would die occassionally every few weeks or so. I have been using API on his suits for 3 weeks now and so far so good.

  • Potassium Permanganate Live Fish Disinfect Aquariums Clean Water Treatments 10 30 50 70 90 110 G.
  • 99.8% Purity Potassium Permanganate.
  • contained in zipper bags as well.
  • you can choose 10 30 50 70 90 110 grams per orders.
  • Used to clean the aquarium, fish pond or tank fish.
  • Manufacture: Thailand
  • Editor's Impressions Of The Unknown
  • Treatment Effectiveness
  • Quality
  • Value For Money
  • Affordability

Unknown Final Thoughts

"I trust them 100%."

I intend to use this for every aquarium or pond I start. I have been using API on his suits for 3 weeks now and so far so good. The top is a measuring tool as well which I was not expecting. I like that it's a large bottle with multiple uses, so that's nice. This is only temporary till I get a spare dropper. I've had my fishy for 5 years now and I would say it's ALL because of Fluval. I recieved it today at 3pm and applied it around 4pm.

Overall Score
4.5


(81 Points)

10. Brightwell Aquatics Blackwater – Water Conditioner with Humic Substances for All Planted & Blackwa...

User Ratings: 66 5

Brightwell Aquatics BWR500 First Impressions

"Of course."

This is my absolute favorite conditioner I have used for all my aquatic creatures. By the following morning, the water was clear of algae. One planted that has algae problem so bad. If you have new tank syndrome then this is the stuff. During cycling you will be using often. No exaggeration-- literally cleared overnight. Just an idea incase someone doesn't have a spare dropper.

  • Brightwell Aquatics Blackwater – Water Conditioner with Humic Substances for All Planted & Blackwater Biotope Aquariums
  • Establishes similar water conditions to those found in blackwater rivers that is important to many aquarium fish and plants
  • Help simulate the onset of the rainy season for encouragement of fish spawning
  • Enhances the effectiveness of plant nutrient solutions in aquariums
  • Increases the availability of important nutrients such as iron calcium magnesium molybdenum copper manganese zinc cobalt and nickel
  • Made in the USA
  • Manufacture: TopDawg Pet Supply
  • Product Dimensions: 1 x 1 x 1 inches; 1 Pounds
  • Editor's Impressions Of The Brightwell Aquatics BWR500
  • Treatment Effectiveness
  • Quality
  • Value For Money
  • Affordability

Brightwell Aquatics BWR500 Final Thoughts

"5 stars all the way!"

I even poured in extra to help with the healing. I like that it's a large bottle with multiple uses, so that's nice. I have two 36 gallon tanks right now. I have had aquariums for 40 years and have always used their product Cycle. I'm hoping this one works out if not I'm sticking to the one I used before. The aquasafe water conditioner is a fantastic de-chlorinator. I hope I made the right decision, Betty is our family pet and is really loved!

Overall Score
4.3


(76 Points)

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