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. Brightwell Aquatics Reef Code A - Balanced Calcium and Alkalinity Water Conditioner System for Marin...

User Ratings: 74 1

Brightwell Aquatics RCA2L First Impressions

"5 stars all the way!"

Ever since I made this purchase, my fish are not dying at all. Fish would die occassionally every few weeks or so. This came just in time for my water change day! I'm amazed, I'm really amazed that this product worked so well. Good Product, Good Price Gets five stars! DON'T just wait everything will be fine. I have a Fluval tank and only use their chemicals.

  • Brightwell Aquatics Reef Code A - Balanced Calcium and Alkalinity Water Conditioner System for Marine Fish & Reef Saltwater Aquariums
  • Simplifies calcium and alkalinity maintenance in your aquarium tank
  • The carbonate-bearing component of a two-part method for dosing calcium and carbonates in the same ratio as that found in natural seawater; to be used in conjunction with Reef Code B
  • Benefits reef-building organisms such as corals, clams, and calcareous algae
  • Contains no phosphate, silicate, or organic material; 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 RCA2L
  • Treatment Effectiveness
  • Quality
  • Value For Money
  • Affordability

Brightwell Aquatics RCA2L Final Thoughts

"I couldn't believe it."

The bottle will last me years as it is huge! I decant this to a small 5 oz squeeze bottle and leave the rest in the fridge. I'm hoping this one works out if not I'm sticking to the one I used before. By the following morning, the water was clear of algae. I'll continue to use this product, especially after a good tank cleaning. My water is crystal clear again, and it smells like a healthy fish tank again. Very good product for an unbelievable price.

Overall Score
4.6


(100 Points)

3. 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)

4. Seachem Clarity 250ml

User Ratings: 72 7

Seachem 67101460 First Impressions

"This pristine is amazing!"

1st day, I put product in tank with Fluval Biological Cleaner for Aquariums also. I hope it makes the swimsuit last longer. One planted that has algae problem so bad. Way to go Fluval keep up the good WORK! You have to understand when to use this product, and what is is used for. I know you are going to worry about your fish DON'T they are fine. Fish are aerobic organisms that are susceptible to ROS.

  • Seachem Clarity 250ml
  • Fresh And Saltwater
  • Clears All Kinds Of Cloudiness
  • Plant and reef safe
  • Water clarifier for marine and freshwater
  • Clears all types of clouding
  • Reef and plant safe
  • Manufacture: Seachem Laboratories, Inc.
  • Product Dimensions: 6.1 x 2 x 1.2 inches; 5.29 Ounces
  • Editor's Impressions Of The Seachem 67101460
  • Treatment Effectiveness
  • Quality
  • Value For Money
  • Affordability

Seachem 67101460 Final Thoughts

"So easy to use."

I intend to use this for every aquarium or pond I start. I'm sold on this, I've tried SO MANY and wow. I use in a freshwater aquarium and works well. Easy to dispense the product without mess and easy to use per instructions. I have a 5 gallon tank, so that number was waaaay too high for me. I hope it makes the swimsuit last longer. I had a parasite problem, and had to heal my fishes scales and fins.

Overall Score
4.4


(389 Points)

5. Tetra Correct pH Tablets 8 Count, For aquarium Water

User Ratings: 74 3

Tetra 77340 First Impressions

"This stuff really works."

I have two goldfish and a Corydoras catfish. This product is exactly what it says it is. UV light works on it but not much else. I decant this to a small 5 oz squeeze bottle and leave the rest in the fridge. I did water changes, but it didn't help. Fish are aerobic organisms that are susceptible to ROS. If you're treating injured fins or introducing new fish, this is for you.

  • Tetra Correct pH Tablets 8 Count, For aquarium Water
  • MAINTAINS NEUTRAL pH: Helps maintain ideal pH levels in aquarium water.
  • REDUCES STRESS TO FISH: Maintaining recommended pH levels is vital to ensuring a healthy environment.
  • EASY TO USE: Holds proper pH for several weeks.
  • CONVENIENT: Each fizz tab is pre-measured and ready for use.
  • USAGE: Test water and use monthly to help maintain your aquarium pH levels.
  • Lower or increase the pH in your aquarium with ease!
  • Maintaining the proper pH of aquarium water is important to ensure a healthy environment.
  • Changes in pH can be caused by the breakdown of waste or local tap water with low pH or low alkalinity.
  • Manufacture: Tetra
  • Item Weight: 1.38 ounces
  • Product Dimensions: 4.13 x 0.88 x 6.88 inches
  • Editor's Impressions Of The Tetra 77340
  • Treatment Effectiveness
  • Quality
  • Value For Money
  • Affordability

Tetra 77340 Final Thoughts

"I have a 75gal tank."

It has been 4 days and our beta is loving the clearer water. My tap water is very heavy and this water conditioner does it's magic. I'm hoping this one works out if not I'm sticking to the one I used before. I could see it working immediately which was pretty wild. 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. I have been using API on his suits for 3 weeks now and so far so good.

Overall Score
4.5


(1105 Points)

6. 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)

7. Fritz Aquatics Ammonia Remover Water Conditioner for Fresh and Salt Water Aquariums

User Ratings: 78 2

Fritz Aquatics 80233 First Impressions

"I couldn't believe it."

Way to go Fluval keep up the good WORK! I do not use this as a product to treat my tap water. If you're serious about fish keeping, always quarantine and always use Stress Coat! The chloramines contain a small amount of ammonia. I did water changes, but it didn't help. I use in a freshwater aquarium and works well. If you're serious about fish keeping, always quarantine and always use Stress Coat!

  • Fritz Aquatics Ammonia Remover Water Conditioner for Fresh and Salt Water Aquariums
  • Water Conditioner/Ammonia Remover
  • Neutralizes Toxic Ammonia
  • Kills Chlorine and Chloramines Found in Tap Water
  • Will Not Alter pH or Deplete Oxygen Levels
  • Completely Safe and Easy to Use
  • Manufacture: TopDawg Pet Supply
  • Product Dimensions: 0.02 x 0.02 x 0.02 inches; 0.32 Ounces
  • Editor's Impressions Of The Fritz Aquatics 80233
  • Treatment Effectiveness
  • Quality
  • Value For Money
  • Affordability

Fritz Aquatics 80233 Final Thoughts

"Shake well before use."

I like API products and this is no different. It only requires 3 drops per gallon you add to your tank. It's a must for anyone who loves Goldfish. From their own colon or a hole in the ground. It took a couple of days to clear but it works. If you have a freshwater fish tank, I highly recommend this product. I hope I made the right decision, Betty is our family pet and is really loved!

Overall Score
4.6


(66 Points)

8. Zoo Med Laboratories SZMWC2 Reptisafe Water Conditioner, 2.25-Ounce

User Ratings: 86 2

Zoo Med 976405 First Impressions

"I am so impressed!"

I've always had a love for fish and had a few tanks when I was younger. By the following morning, the water was clear of algae. However, be aware that the dosage starts at 20 gallons. In my opinion there's nothing better. In the last two months I have seen this product work its gold. This allows the conditioner time for its anti-heavy metal ingredients to work fully. It's a must for anyone who loves Goldfish.

  • Zoo Med Laboratories SZMWC2 Reptisafe Water Conditioner, 2.25-Ounce
  • Removes chloramines and Chlorine
  • Detoxifies ammonia and nitrites
  • Fast-acting formula
  • Zoo Med Laboratories Reptisafe Water Conditioner
  • The first instant terrarium water conditioner
  • Great for reptile water bowls, chameleon drip water systems, amphibian enclosures and aquatic turtle tanks
  • Manufacture: TopDawg Pet Supply
  • Item Weight: 0.32 ounces
  • Product Dimensions: 0.02 x 0.02 x 0.02 inches
  • Editor's Impressions Of The Zoo Med 976405
  • Treatment Effectiveness
  • Quality
  • Value For Money
  • Affordability

Zoo Med 976405 Final Thoughts

"Did a tank cycle."

I swim 5x week and usually my suits last about 2 months. You need to buy an eye dropper for this. In the last two months I have seen this product work its gold. The bottle will last me years as it is huge! From their own colon or a hole in the ground. It has been 4 days and our beta is loving the clearer water. I'll continue to use this product, especially after a good tank cleaning.

Overall Score
4.7


(1283 Points)

9. API MARINE COMPLETE TRACE Aquarium Water Conditioner 16-Ounce Bottle (320D)

User Ratings: 66 7

API 320D First Impressions

"No odor or discoloration."

I do have the aforementioned uv light working on it. I'll continue to use this product, especially after a good tank cleaning. I'll continue to use this product, especially after a good tank cleaning. I didn't purchase this for an aquarium. I read another review for this product saying they were using API for this purpose. I had a parasite problem, and had to heal my fishes scales and fins. But the septic tank bacteria did nothing.

  • API MARINE COMPLETE TRACE Aquarium Water Conditioner 16-Ounce Bottle (320D)
  • Contains one (1) API MARINE COMPLETE TRACE Aquarium Water Conditioner 16-Ounce Bottle
  • Adds key trace elements plus iodine and restores all trace elements found in sea water
  • All natural solution maintains proper water conditions in aquariums containing hard and soft corals.
  • Use to replenish the trace element balance in marine and reef aquariums.
  • For use in all marine aquariums, including reef aquariums containing hard and soft corals, live rock, coralline algae, crustaceans, starfish, and saltwater fish.
  • Manufacture: Aquarium Pharmaceuticals
  • Product Dimensions: 2.5 x 2.5 x 8.75 inches; 15.2 Ounces
  • Editor's Impressions Of The API 320D
  • Treatment Effectiveness
  • Quality
  • Value For Money
  • Affordability

API 320D Final Thoughts

"No argument from me."

More doesn't hurt anything, but it's just wasted. DON'T just wait everything will be fine. I could see it working immediately which was pretty wild. This is the 5th since I put in the product and my tank is crystal clear. I've had my fishy for 5 years now and I would say it's ALL because of Fluval. The reviews on people fish dying really spooked me. More doesn't hurt anything, but it's just wasted.

Overall Score
4.2


(24 Points)

10. MarineLand Diamond Media Premium Activated Carbon, Blacks & Grays, 40-Ounce (PA0373)

User Ratings: 82 1

MarineLand PA0373 First Impressions

"I LOVE PRISTINE!"

Fish possess an antioxidant defense system to reduce the negative effects of ROS. This is my absolute favorite conditioner I have used for all my aquatic creatures. My water is crystal clear like the first day i filled it and i could be happier. However, be aware that the dosage starts at 20 gallons. 4-5 squirts in a sink of water, soak my suit 10 min, wring out and hang to dry. We use it when we clean& change out water. I didn't purchase this for an aquarium.

  • MarineLand Diamond Media Premium Activated Carbon, Blacks & Grays, 40-Ounce (PA0373)
  • FOR CHEMICAL aquarium FILTRATION Black Diamond Premium Activated Carbon removes odors discoloration and impurities for clear sparkling aquarium water
  • SPECIALLY FORMULATED Composed of heat-activated bituminous coal-based carbon
  • FOR ALL FILTERS Ideal for use in all aquarium filters
  • MARINELAND FILTRATION PRODUCTS Count on Marineland brand for the most reliable technically advanced aquariums and accessories on the market
  • Included Components: Trusted Marineland Carbon Specifically sized to be more efficient Premium Black Diamond works as much as twice as fast as the competition
  • Manufacture: Marineland
  • Product Dimensions: 5.5 x 5 x 10 inches; 1 Pounds
  • Editor's Impressions Of The MarineLand PA0373
  • Treatment Effectiveness
  • Quality
  • Value For Money
  • Affordability

MarineLand PA0373 Final Thoughts

"This product is amazing."

Fish possess an antioxidant defense system to reduce the negative effects of ROS. Easy to dispense the product without mess and easy to use per instructions. I decant this to a small 5 oz squeeze bottle and leave the rest in the fridge. This only applies to the 1st application. DON'T just wait everything will be fine. I have been using API on his suits for 3 weeks now and so far so good. Crystal clear after changing water and adding this to my 2.

Overall Score
4.7


(4040 Points)

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