Editor's Choice - Our Favorite MarineLand Aquarium Water Treatments

1. 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)

Peoples Choice - Other Highly Rated MarineLand Aquarium Water Treatments

2. MarineLand Bio-Spira Freshwater Bacteria, for Starting New Aquariums, 8.54-Ounce

User Ratings: 78 6

MarineLand First Impressions

"A MUST BUY!"

But the septic tank bacteria did nothing. The reviews on people fish dying really spooked me. If you have a freshwater fish tank, I highly recommend this product. Pictures included to see the difference. It's water change day so I did this step first then started cleaning the tank. Dunkin, my Betta doesn't seem to stress out over my adding this. The afternoon I received this product I added half a dose to each aquarium.

  • MarineLand Bio-Spira Freshwater Bacteria, for Starting New Aquariums, 8.54-Ounce
  • START A NEW AQUARIUM INSTANTLY Beneficial Marineland Bio-Spira Freshwater Bacteria prevents new tank syndrome and instantly cycles new aquariums when dosed as directed
  • IDEAL FOR Use when adding new fish for filter maintenance and during monthly water changes
  • ADVANCED NITRIFIERS Removes harmful ammonia and nitrate from aquarium water
  • REDUCES SLUDGE Includes heterotropic cleaner bacteria for a clear healthy aquarium
  • MAINTENANCE Add monthly as directed to replenish and boost beneficial bacteria
  • Editor's Impressions Of The MarineLand
  • Treatment Effectiveness
  • Quality
  • Value For Money
  • Affordability

MarineLand Final Thoughts

"He was fine in no time."

Makes me want to get more aquarium's, lol. Yes I know, they aren't supposed to live that long and no I can't prove it. I know you are going to want to add more chemicals, etc. Boy, I thought I was having trouble with my filter. I have been battling cloudy water in our small aquarium for two months. By the following morning, the water was clear of algae. DON'T just wait everything will be fine.

Overall Score
4.5


(226 Points)

3. MarineLand BIO-Spira Freshwater Bacteria for Aquariums, 3.38-Ounce

User Ratings: 71 9

MarineLand ML90762-00 First Impressions

"Thank you!"

Easy to dispense the product without mess and easy to use per instructions. She seems ok with it she is behaving like herself. I'll continue to use this product, especially after a good tank cleaning. Use a water conditioner that does not remove ammonia. My fish didn't appear negatively effected by it either. 1st day, I put product in tank with Fluval Biological Cleaner for Aquariums also. I wanted to see if it would take the chlorine out of my swimsuit.

  • MarineLand BIO-Spira Freshwater Bacteria for Aquariums, 3.38-Ounce
  • Advanced nitrifies instantly remove harmful ammonia and nitrite
  • Includes sludge cleaning bacteria for a clear, healthy aquarium
  • Prevents new tank syndrome
  • Treats 100 gallons
  • Manufacture: Tetra
  • Product Dimensions: 4 x 1.38 x 5 inches; 4 Ounces
  • Editor's Impressions Of The MarineLand ML90762-00
  • Treatment Effectiveness
  • Quality
  • Value For Money
  • Affordability

MarineLand ML90762-00 Final Thoughts

"Pet Smart knows nothing."

You need to buy an eye dropper for this. She seems ok with it she is behaving like herself. I have two 36 gallon tanks right now. I decided to pick it up once again and struggled mightily my first few months. I know you are going to want to add more chemicals, etc. No exaggeration-- literally cleared overnight. The equation is already done for you if you buy Dr.

Overall Score
4.3


(98 Points)

4. GloFish Water Balance 4 Ounces, Creates Ideal Water Chemistry

User Ratings: 73 4

GloFish AQ-78307 First Impressions

"I trust them 100%."

This allows the conditioner time for its anti-heavy metal ingredients to work fully. It took a couple of days to clear but it works. Beats the heck out of those expensive suit cleaners. If you have new tank syndrome then this is the stuff. Initially this was used as a sample packet came with our aquarium. I do not use this as a product to treat my tap water. No observable signs of stress in the fish.

  • GloFish Water Balance 4 Ounces, Creates Ideal Water Chemistry
  • WATER BALANCE: Add two teaspoons per 5 gallons
  • IDEAL CONDITIONS: Helps keep aquarium chemistry stable between extended water changes, reduces harmful fluctuations in pH and lowers nitrates to help create ideal conditions for fish
  • THRIVING FISH: Allows your GloFish fluorescent fish to thrive and display full coloration
  • TREAT/DECHLORINATE ALL TAP WATER: Add once per month to take the guesswork out of aquarium maintenance
  • BRINGING COLOR TO LIFE: GloFish fluorescent fish and products create a complete underwater fluorescent experience
  • Age range description: All Life Stages
  • Manufacture: GloFish
  • Item Weight: 5.3 ounces
  • Product Dimensions: 1.75 x 1.75 x 5 inches
  • Editor's Impressions Of The GloFish AQ-78307
  • Treatment Effectiveness
  • Quality
  • Value For Money
  • Affordability

GloFish AQ-78307 Final Thoughts

"Just measure and pour."

I read the reviews, and decided to give this a try. This allows the conditioner time for its anti-heavy metal ingredients to work fully. The chloramines contain a small amount of ammonia. You need a source of ammonia to feed the bacteria which Dr. The top is a measuring tool as well which I was not expecting. I even poured in extra to help with the healing. Easy to dispense the product without mess and easy to use per instructions.

Overall Score
4.5


(35 Points)

5. GloFish Water Conditioner Makes Tap Water Safe for Aquariums Betta Fish, 2 fl. oz, 2 FZ, Model Numbe...

User Ratings: 77 3

GloFish AQ-78302 First Impressions

"I love Seachem."

I use in a freshwater aquarium and works well. My fish didn't appear negatively effected by it either. Very good product for an unbelievable price. If you're serious about fish keeping, always quarantine and always use Stress Coat! I tried it without the water change and really didn't make a difference. The reviews on people fish dying really spooked me. Makes me want to get more aquarium's, lol.

  • GloFish Water Conditioner Makes Tap Water Safe for Aquariums Betta Fish, 2 fl. oz, 2 FZ, Model Number: AQ-78302
  • WATER CONDITIONER: Makes tap water safe for GloFish Bettas
  • PROMOTES HEALTH: Removes harmful chlorine, chloramines and heavy metals found in tap water
  • HELPS REDUCE STRESS: Allows your GloFish Betta to thrive and display full coloration
  • MAKES TAP WATER SAFE: Use when setting up a new aquarium, with partial water changes or evaporation replacement
  • BRINGING COLOR TO LIFE: GloFish fluorescent fish and products create a complete underwater fluorescent experience
  • Manufacture: GloFish
  • Item Weight: 3.1 ounces
  • Product Dimensions: 1.44 x 1.44 x 4.13 inches
  • Editor's Impressions Of The GloFish AQ-78302
  • Treatment Effectiveness
  • Quality
  • Value For Money
  • Affordability

GloFish AQ-78302 Final Thoughts

"Then I added pristine."

He started making bubble nests again which ne never did when it was super cloudy. Beats the heck out of those expensive suit cleaners. The top is a measuring tool as well which I was not expecting. Sure enough they are back to their healthy coloration and didn't end up dying on me. If you have a freshwater fish tank, I highly recommend this product. I know you are going to want to add more chemicals, etc. In my opinion there's nothing better.

Overall Score
4.6


(43 Points)

6. Tetra 16172 AquaSafe Fish Tank Water Conditioner, 8.45 fl oz

User Ratings: 85 1

Tetra 16172 First Impressions

"I love this product."

If you're serious about fish keeping, always quarantine and always use Stress Coat! I use in a freshwater aquarium and works well. I tried it without the water change and really didn't make a difference. If either or both ammonia and Nitrite are above 1ppm do not add ammonia. I tried it without the water change and really didn't make a difference. I even poured in extra to help with the healing. It's water change day so I did this step first then started cleaning the tank.

  • Tetra 16172 AquaSafe Fish Tank Water Conditioner, 8.45 fl oz
  • CONDITIONS aquarium WATER: Essential care formula protects fish and reduces stress.
  • MAKES TAP WATER SAFE: Monthly treatment with partial water changes removes harmful chlorine.
  • INSTANT RESULTS: Works quickly to make tap water safe for fish.
  • ESSENTIAL WATER CARE: Use when setting up a new aquarium, with monthly partial water changes or evaporation replacement.
  • USAGE: Add 2 teaspoons for every 10 gallons of aquarium water.
  • NEW LOOK: Packaging may vary
  • Age range description: All Life Stages
  • Manufacture: Tetra
  • Product Dimensions: 1.63 x 3 x 7 inches; 6.4 Ounces
  • Editor's Impressions Of The Tetra 16172
  • Treatment Effectiveness
  • Quality
  • Value For Money
  • Affordability

Tetra 16172 Final Thoughts

"I highly recommend this."

I did water changes, but it didn't help. This is my go to water conditioner and stressed fish treatment. Fish possess an antioxidant defense system to reduce the negative effects of ROS. In my opinion there's nothing better. It is much safer to simply to add 3 drops per gallon. I have had aquariums for 40 years and have always used their product Cycle. Boy, I thought I was having trouble with my filter.

Overall Score
4.8


(593 Points)

7. Kent Marine AKMBWE16 Black Water Stimulater for Aquarium, 16-Ounce

User Ratings: 68 13

Kent Marine 158372 First Impressions

"A clean needle works too."

This is my absolute favorite conditioner I have used for all my aquatic creatures. Beats the heck out of those expensive suit cleaners. In my opinion there's nothing better. But the septic tank bacteria did nothing. In the last two months I have seen this product work its gold. This is my go to water conditioner and stressed fish treatment. During cycling you will be using often.

  • Kent Marine AKMBWE16 Black Water Stimulater for Aquarium, 16-Ounce
  • Water treatment and conditioners
  • Freshwater conditioners
  • It encourages spawning and aids the hatching process
  • Manufacture: TopDawg Pet Supply
  • Product Dimensions: 0.02 x 0.02 x 0.02 inches; 0.32 Ounces
  • Editor's Impressions Of The Kent Marine 158372
  • Treatment Effectiveness
  • Quality
  • Value For Money
  • Affordability

Kent Marine 158372 Final Thoughts

"Recommend."

I'm sold on this, I've tried SO MANY and wow. I do not use this as a product to treat my tap water. Makes me want to get more aquarium's, lol. I've using this for my betta for several years with every water change. 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. She seems ok with it she is behaving like herself.

Overall Score
4.2


(47 Points)

8. API BETTA WATER CONDITIONER Betta Fish Freshwater Aquarium Water Conditioner 1.7-Ounce Bottle, BETTA...

User Ratings: 82 2

API 92B First Impressions

"I couldn't believe it."

I have two 36 gallon tanks right now. Good Product, Good Price Gets five stars! No observable signs of stress in the fish. This product is exactly what it says it is. I've used it for years with great results. Pictures included to see the difference. I love it when a product does what its supposed to.

  • API BETTA WATER CONDITIONER Betta Fish Freshwater Aquarium Water Conditioner 1.7-Ounce Bottle, BETTA WATER COND, 1.7 OZ
  • Contains one (1) API BETTA WATER CONDITIONER Betta Fish Freshwater Aquarium Water Conditioner 1.7-Ounce Bottle
  • Neutralizes chlorine, chloramines, ammonia and other chemicals to make tap water safe for betta fish
  • Prevents tap water chemicals from causing gill destruction, tissue irritation and fish death
  • Formulated with aloe vera to and green tea extract to reduce inflammation and help heal fish
  • Use when starting a new Betta bowl or aquarium and when changing water
  • Manufacture: Aquarium Pharmaceuticals
  • Product Dimensions: 3.38 x 1.25 x 6.5 inches; 2.4 Ounces
  • Editor's Impressions Of The API 92B
  • Treatment Effectiveness
  • Quality
  • Value For Money
  • Affordability

API 92B Final Thoughts

"It was a viscous cycle."

I have been using API on his suits for 3 weeks now and so far so good. It's a must for anyone who loves Goldfish. Use a water conditioner that does not remove ammonia. This product is exactly what it says it is. Pictures included to see the difference. I decided to pick it up once again and struggled mightily my first few months. Fish seem healthy and active during use.

Overall Score
4.7


(814 Points)

9. Brightwell Aquatics Microbacter Start XLF - Tank Starting Bacteria Culture for Biological Filtration...

User Ratings: 73

Brightwell Aquatics BACSTARTXLF125 First Impressions

"About 2 months now."

You have to understand when to use this product, and what is is used for. Beats the heck out of those expensive suit cleaners. I like that it's a large bottle with multiple uses, so that's nice. I'm amazed, I'm really amazed that this product worked so well. I didn't purchase this for an aquarium. Sure enough they are back to their healthy coloration and didn't end up dying on me. I like that it's a large bottle with multiple uses, so that's nice.

  • Brightwell Aquatics Microbacter Start XLF - Tank Starting Bacteria Culture for Biological Filtration and Nitrification in Freshwater Aquariums
  • Concentrated 15X Suspension of LIVE non-pathogenic microbes, specifically formulated to extremely rapidly establish biological filtration in new aquarium set-ups, and to enhance the rate of nitrification in existing systems.
  • Useful for rapidly re-establishing nitrification bacteria in case of an emergency
  • Particularly useful in aquaria with high population densities and when adding new fish. Supplied in a proprietary base which provides for maximum longevity.
  • Helpful to re-establish nitrifying bacteria after cleaning rocks and surfaces and after use of medications. 1. Rapid reduction of ammonia, and nitrite. 2. Prevents “New Tank Syndrome.”
  • Takes 5-7 days to cycle.
  • Manufacture: Brightwell Aquatics
  • Editor's Impressions Of The Brightwell Aquatics BACSTARTXLF125
  • Treatment Effectiveness
  • Quality
  • Value For Money
  • Affordability

Brightwell Aquatics BACSTARTXLF125 Final Thoughts

"If you are not using Dr."

This is definitely worth trying if you have cloudy water. UV light works on it but not much else. Tim's cultures were obviously very alive and active. Way to go Fluval keep up the good WORK! I recieved it today at 3pm and applied it around 4pm. Use a water conditioner that does not remove ammonia. But the septic tank bacteria did nothing.

Overall Score
4.5


(34 Points)

10. Boyd Enterprises ABE16710 Freshwater Vitachem for Aquarium, 16-Ounce

User Ratings: 80 2

Boyd Enterprises VCF16 First Impressions

"My fish kept dying."

I have been battling cloudy water in our small aquarium for two months. DON'T just wait everything will be fine. It only requires 3 drops per gallon you add to your tank. Beats the heck out of those expensive suit cleaners. I've using this for my betta for several years with every water change. Use a heater and crank it to 82 degrees again without fish in the tank. Initially this was used as a sample packet came with our aquarium.

  • Boyd Enterprises ABE16710 Freshwater Vitachem for Aquarium, 16-Ounce
  • A complete vitamin supplement
  • Great for Freshwater fish, breeders and inhabitants
  • Intensifies natural colors
  • Promotes increased growth
  • Appetite stimulation
  • Age range description: All Life Stages
  • Manufacture: Boyd Enterprises
  • Product Dimensions: 2.75 x 2.75 x 7 inches; 1 Pounds
  • Editor's Impressions Of The Boyd Enterprises VCF16
  • Treatment Effectiveness
  • Quality
  • Value For Money
  • Affordability

Boyd Enterprises VCF16 Final Thoughts

"Highly recommend!"

I was sort of nervous buy this product and trying it out. By the following morning, the water was clear of algae. This is my go to water conditioner and stressed fish treatment. It's a must for anyone who loves Goldfish. It took a couple of days to clear but it works. It is much safer to simply to add 3 drops per gallon. 2nd day kinda noticed a slight change in water.

Overall Score
4.7


(90 Points)

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