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 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)

5. Seachem Laboratories INC METROPLEX (10 Grams)

User Ratings: 78 5

Seachem First Impressions

"Just measure and pour."

Now our fish have grown and we've added live plants. It took a couple of days to clear but it works. I'm sold on this, I've tried SO MANY and wow. I finally gave in and purchased this product. I tried it without the water change and really didn't make a difference. I even poured in extra to help with the healing. Way to go Fluval keep up the good WORK!

  • Seachem Laboratories INC METROPLEX (10 Grams)
  • 2 5-gram bottles MetroPlex water treatment
  • For use in both marine and freshwater aquariums
  • Gentle enough to not adversely affect the fish tank's filter bed
  • Use as part of a medicated food mix to safely treat fish without harming corals
  • MetroPlex is an effective treatment for protozoan and anaerobic bacterial diseases in fish
  • Manufacture: Seachem
  • Editor's Impressions Of The Seachem
  • Treatment Effectiveness
  • Quality
  • Value For Money
  • Affordability

Seachem Final Thoughts

"I recommend it."

This is my absolute favorite conditioner I have used for all my aquatic creatures. Sure enough they are back to their healthy coloration and didn't end up dying on me. I like API products and this is no different. Way to go Fluval keep up the good WORK! I finally gave in and purchased this product. Fish seem healthy and active during use. Initially this was used as a sample packet came with our aquarium.

Overall Score
4.5


(340 Points)

6. AquaBella Bio-Enzyme Fresh Water Treatment

User Ratings: 60 9

AQUABELLA BIO-ENZYME 11201 First Impressions

"5 stars all the way!"

I swim 5x week and usually my suits last about 2 months. It only requires 3 drops per gallon you add to your tank. If either or both ammonia and Nitrite are above 1ppm do not add ammonia. Thanks to the Amazon reviewer who mentioned this! More doesn't hurt anything, but it's just wasted. UV light works on it but not much else. Fish are aerobic organisms that are susceptible to ROS.

  • AquaBella Bio-Enzyme Fresh Water Treatment
  • No water change for 1 year guarantee
  • Promotes clean, crystal clear water; breaks down residue on gravel; and reduces stress on fish
  • Convenient and friendly: reduces aquarium maintenance, saves you time and water, 100-percent organic ingredients
  • Perfectly adapted for aquarium cycling, fish breeding and sensitive ecosystems
  • Treats 5-55 gallons
  • Manufacture: AquaBella Organic Solutions LLC.
  • Product Dimensions: 7.5 x 1 x 4 inches; 1.6 Ounces
  • Editor's Impressions Of The AQUABELLA BIO-ENZYME 11201
  • Treatment Effectiveness
  • Quality
  • Value For Money
  • Affordability

AQUABELLA BIO-ENZYME 11201 Final Thoughts

"The FIRST time."

I used to use AmQuel years ago and then spent years out of the aquarium hobby. Boy, I thought I was having trouble with my filter. Fish seem healthy and active during use. But the septic tank bacteria did nothing. The top is a measuring tool as well which I was not expecting. This is definitely worth trying if you have cloudy water. This allows the conditioner time for its anti-heavy metal ingredients to work fully.

Overall Score
4.1


(47 Points)

7. Seachem 2 Bottles of Stability, 16.9 Fluid Ounces, for Marine and Freshwater Aquariums

User Ratings: 91 2

Seachem First Impressions

"Great deal!"

Dealing with biological cloudiness in my tank for some time. This will give you how many drops is required per gallon. It has been 4 days and our beta is loving the clearer water. From their own colon or a hole in the ground. If either or both ammonia and Nitrite are above 1ppm do not add ammonia. When they disinfect a repair site, they are normally only using chlorine. If you have new tank syndrome then this is the stuff.

  • Seachem 2 Bottles of Stability, 16.9 Fluid Ounces, for Marine and Freshwater Aquariums
  • Superior tank starter
  • Can't overdose
  • Fresh and saltwater use
  • Manufacture: Seachem
  • Product Dimensions: 2.36 x 4.72 x 8.66 inches; 2.4 Pounds
  • Editor's Impressions Of The Seachem
  • Treatment Effectiveness
  • Quality
  • Value For Money
  • Affordability

Seachem Final Thoughts

"This stuff really works."

More doesn't hurt anything, but it's just wasted. Dunkin, my Betta doesn't seem to stress out over my adding this. I'm sold on this, I've tried SO MANY and wow. I used to use AmQuel years ago and then spent years out of the aquarium hobby. The aquasafe works instantly upon mixing with tap water. I finally gave in and purchased this product. I know you are going to want to add more chemicals, etc.

Overall Score
4.8


(169 Points)

8. 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)

9. Brightwell Aquatics NeoTiger KH+/GH+ - Establishes Mineral Balance in Purified and Soft Water for Sh...

User Ratings: 58 20

Brightwell Aquatics NTKHGH2L First Impressions

"So easy to use."

No observable signs of stress in the fish. I could see it working immediately which was pretty wild. I know you are going to want to add more chemicals, etc. Crystal clear after changing water and adding this to my 2. Way to go Fluval keep up the good WORK! Good Product, Good Price Gets five stars! If either or both ammonia and Nitrite are above 1ppm do not add ammonia.

  • Brightwell Aquatics NeoTiger KH+/GH+ - Establishes Mineral Balance in Purified and Soft Water for Shrimp and Freshwater Aquariums,
  • Establishes an optimal mineral balance in water that has been purified (reverse osmosis, deionization) or is exceedingly soft (well water in forested regions) for all freshwater shrimp aquaria, as well as aquaria housing fishes indigenous to forested and/or riverine habitats
  • Provides a beneficial ratio of potassium, calcium, magnesium, and sodium, elements which are vital to the overall health and osmoregulation of fishes, invertebrates, and many aquatic plants
  • May be used to establish water parameters, to replenish depleted concentrations in tanks that rarely receive a water change, and to re-establish beneficial mineral concentrations in aquaria following large water changes
  • Formulated utilizing extensive data on the ionic composition of river water from several tropical forested regions
  • Age range description: All Life Stages
  • Manufacture: Brightwell Aquatics
  • Editor's Impressions Of The Brightwell Aquatics NTKHGH2L
  • Treatment Effectiveness
  • Quality
  • Value For Money
  • Affordability

Brightwell Aquatics NTKHGH2L Final Thoughts

"I recommend."

I use mine for my beta fish in a 2 gallon tank and need less than a half a cap full. I like that it's a large bottle with multiple uses, so that's nice. My fish didn't appear negatively effected by it either. I could see it working immediately which was pretty wild. 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! I have been using API on his suits for 3 weeks now and so far so good.

Overall Score
3.7


(13 Points)

10. ESV Aquatics Potassium Iodide 1% Solution for Marine Plants and Coral Reef in Salt Water Aquariums, ...

ESV Aquarium First Impressions

"Does work well!"

It has been 4 days and our beta is loving the clearer water. When they disinfect a repair site, they are normally only using chlorine. DON'T just wait everything will be fine. It's a must for anyone who loves Goldfish. But the septic tank bacteria did nothing. I tried it without the water change and really didn't make a difference. In the last two months I have seen this product work its gold.

  • ESV Aquatics Potassium Iodide 1% Solution for Marine Plants and Coral Reef in Salt Water Aquariums, 8 Ounce
  • Because it is an extremely pure, high soluble form of inorganic iodide, it delivers amazing results.
  • Ideal for maintaining dissolved iodine levels in marine aquaria.
  • Highly valuable and important micro-nutrient for many marine plants and highly beneficial element for your reef.
  • Potassium iodide plays an important role in enhancing a coral's ability to adapt to rapid changes in light intensity and spectrum.
  • Iodine is a rarer element and most of Earth's supply is in the oceans, making it an essential supplement for your aquarium.
  • Manufacture: ESV Aquarium
  • Editor's Impressions Of The ESV Aquarium
  • Treatment Effectiveness
  • Quality
  • Value For Money
  • Affordability

ESV Aquarium Final Thoughts

"Suggested buy!"

More doesn't hurt anything, but it's just wasted. I have two 36 gallon tanks right now. I love it when a product does what its supposed to. Good Product, Good Price Gets five stars! The equation is already done for you if you buy Dr. I have been battling cloudy water in our small aquarium for two months. I have used this consistently since cycling my small sized fresh-water tank.

Overall Score
4.0


(1 Points)

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