Editor's Choice - Our Favorite Seachem Fish Health Supplies

1. Seachem Purigen Organic Filtration Resin

User Ratings: 82 3

Seachem 116016506 First Impressions

"I totally recommend this."

I highly recommend the product and seller without hesitation. From their own colon or a hole in the ground. If you're treating injured fins or introducing new fish, this is for you. Another plus has been that it is scratching an itch we had for getting real fish. The tap water was coming out around 836ppm. I have done this a several times with great results. I'm glad Amazon had these small cartridges.

  • Seachem Purigen Organic Filtration Resin
  • FILTRATION: Purigen ranges in color from almost white (cream) to light yellow. Seachem Purigen is not a mixture of ion exchangers or adsorbents, but a unique macro-porous synthetic polymer that removes soluble and insoluble impurities from water.
  • SELECTIVITY: Seachem Purigen is an organic filtration resin that works hard to remove nitrogenous compounds and waste produced by fish, corals, and even plants, making your water crystal clear.
  • CAPACITY: Being both spherical and macroreticular, Seachem Purigen has microscopic pores that increase its usable surface area to many times that of a purely spherical resin.
  • REGENERATION: Once Seachem’s Purigen is exhausted, it can be regenerated with a solution of bleach and water. The bleach will literally “burn off” the organics that have been removed from the tank.
  • SAFETY: Some slime coat products may permanently foul Purigen and render regeneration difficult. Do not reuse if odor of bleach/chlorine is detectable. In case of doubt, soak beads in small quantity of water and test for residual chlorine with a chlorine test kit.
  • Age Range Description: All Stages
  • Manufacture: Seachem Laboratories, Inc.
  • Product Dimensions: 4.7 x 3 x 1.4 inches; 1.41 Ounces
  • Editor's Impressions Of The Seachem 116016506
  • Quality
  • Value For Money
  • Affordability

Seachem 116016506 Final Thoughts

"They work perfectly."

Fish are aerobic organisms that are susceptible to ROS. Will be ordering multiple of them for my needs. Aquarium tubing is scarce where I live during the pandemic. If you're treating injured fins or introducing new fish, this is for you. Couldn't find this at the local pet store and it was cheaper online. I tested it again this morning and it's down to 838ppm. I recommend these above all other filter cartridges I have ever used.

Overall Score
4.7


(5437 Points)

Peoples Choice - Other Highly Rated Seachem Fish Health Supplies

2. Seachem Flourish Excel Bioavailable Carbon

User Ratings: 82 2

Seachem 116045308 First Impressions

"No leaking air at all."

The one with the fish keeps the tank clean. In the morning I awoke with my fish at the bottom barely able to move. When they disinfect a repair site, they are normally only using chlorine. However if you want a stress coat, this is perfect. I must've measured correctly because it fits great! The auction begins with just a few squeezes even my young nephew could do it. The chloramines contain a small amount of ammonia.

  • 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 Laboratories, Inc.
  • Product Dimensions: 7.6 x 1.5 x 1.5 inches; 1.21 Pounds
  • Editor's Impressions Of The Seachem 116045308
  • Quality
  • Value For Money
  • Affordability

Seachem 116045308 Final Thoughts

"And works."

In terms of taking water out, it's great. It DOES fit, you just have to spend a few minutes getting it on. I am able to use each cartridge for about 5 weeks, before it needs to be replaced. This is the only choice I know of for filters that will fit. I wish the length of the section that is in the tank was about a foot longer. Frequently changing the filter messes with the aquarium nitrogen cycle. Excellent product, you simply can't beat the price and shipping was bullet fast.

Overall Score
4.7


(3225 Points)

3. Seachem Stability Fish Tank Stabilizer - for Freshwater and Marine Aquariums 500 ml

User Ratings: 87 2

Seachem First Impressions

"It's nice looking."

Fish are aerobic organisms that are susceptible to ROS. In my opinion there's nothing better. If you have a freshwater fish tank, I highly recommend this product. The siphon works well and does what it should. Lastly, the hand pump primes very quickly and the water flow is wonderful. Have them on subscribe and save now. I really do need 1 that flows on its own.

  • Seachem Stability Fish Tank Stabilizer - for Freshwater and Marine Aquariums 500 ml
  • TANK STABILIZATION: Seachem Stability will rapidly and safely establish the aquarium biofilter in freshwater and marine systems, thereby preventing the #1 cause of fish death: "new tank syndrome".
  • TREATMENT: Stability is formulated specifically for the aquarium and contains a synergistic blend of aerobic, anaerobic, and facultative bacteria which facilitate the breakdown of waste organics, ammonia, nitrite, and nitrate.
  • BACTERIA GROWTH: The necessary conditions for the growth of Stability's bacteria strains encompass a very broad range. When other bacteria begin to die off (usually from high organic loads caused by the unknown death of an organism), Stability simply becomes more effective.
  • USE: Shake Seachem Stability well before use and turn off UV/ozone filter. Use 1 capful (5 mL) for each 40 L (10 US gallons) on the first day with a new aquarium. Then use 1 capful for each 80 L (20 US gallons) daily for 7 days. Fish and other aquatic species may be introduced at any time as long as dosage is maintained for 7 days.
  • SAFE: The bacteria employed by Stability are non-sulfur fixing and will not produce toxic hydrogen sulfide. Stability is completely harmless to all aquatic organisms as well as aquatic plants, thus there is no danger of overuse.
  • Manufacture: Seachem
  • Editor's Impressions Of The Seachem
  • Quality
  • Value For Money
  • Affordability

Seachem Final Thoughts

"At a time."

Excellent product, you simply can't beat the price and shipping was bullet fast. No observable signs of stress in the fish. So my 12 pack will probably last for quite some time. I can't find them any where's else. I've been using these filters in my aquarium for years. I decant this to a small 5 oz squeeze bottle and leave the rest in the fridge. Great price for filters that are ready to go, with no assembly required.

Overall Score
4.8


(3165 Points)

4. Seachem Flourish Freshwater Plant Supplement

User Ratings: 78 2

Seachem 116051309 First Impressions

"I am new to the hobby."

Sure enough they are back to their healthy coloration and didn't end up dying on me. Great price and will for sure be ordering these again. I can't find them any where's else. Boiling water does more to kill mold and bacteria, so save your money. No observable signs of stress in the fish. I just change them when they get clogged. So my 12 pack will probably last for quite some time.

  • Seachem Flourish Freshwater Plant Supplement
  • ENHANCER: Seachem Flourish Advance is an advanced formula contains phytohormones, minerals, and nutrients that dramatically stimulate the growth of both roots and shoots in aquatic plants.
  • GROWTH: The phytohormones play crucial roles in regulating plant growth in a wide range of developmental processes, including cell division, formation and activity of shoot meristems, induction of photosynthesis gene expression, leaf senescence, nutrient mobilization, seed germination, root growth and stress response.
  • ADVANCED FORMULA: With regular use, Seachem Flourish Advance enhances mineral absorption and improves disease resistance. During the first ten to fourteen days after application, Flourish Advance works to stimulate root growth beneath the surface. After this initial induction period, significantly enhanced growth in the leaves and stems of the plants will occur.
  • USE: Shake well before using Seachem Flourish Advance. Use 1 capful (5 mL) for every 80 L (20 US gallons) and be sure to dose daily or as required to maintain plant growth.
  • SAFETY: Seachem Flourish Advance is non-toxic and completely safe for all plant varieties as well as for fish and aquatic organisms.
  • Comprehensive supplement for the planted aquarium
  • Provides micro elements, trace elements and other nutrients
  • Does not contain significant levels of nitrogen or phosphorus
  • Manufacture: Seachem Laboratories, Inc.
  • Product Dimensions: 7.7 x 2.1 x 1.6 inches; 1.25 Pounds
  • Editor's Impressions Of The Seachem 116051309
  • Quality
  • Value For Money
  • Affordability

Seachem 116051309 Final Thoughts

"Mini pumps."

A few names we've had were Carlos, Phobe, Feesh, and Chaz. They tend to hang up on the edge of the tank. Overall, these are easy to use filters& seem to do a good job. We've got 2 in ours even though the package says to only use one. I use water from the tank, but you can use treated water. I have already repurchased and given a few to other people as well. Excellent product, you simply can't beat the price and shipping was bullet fast.

Overall Score
4.6


(3041 Points)

Honorable Mentions - More Top Selling Seachem Fish Health Supplies

5. Seachem Flourish Tabs Growth Supplement - Aquatic Plant Stimulant 10 ct

User Ratings: 76 2

Seachem 19291 First Impressions

"Kind of dirty."

I recommend these above all other filter cartridges I have ever used. Have them on subscribe and save now. This water conditioner is a life saver! Still, mine came in 1 piece and in working order so I'm satisfied. I like to sit eye level with the tank substrate to see exactly what I am cleaning. Don't claim to be an expert, but I've never heard of that. I wish the length of the section that is in the tank was about a foot longer.

  • Seachem Flourish Tabs Growth Supplement - Aquatic Plant Stimulant 10 ct
  • GROWTH TREATMENT: Seachem Flourish Tabs are growth stimulating tablets for plant roots which contain essential trace elements, amino acids, and vitamins.
  • VITAMINS: Seachem Flourish Tabs are rich in iron, manganese, magnesium, calcium, potassium, inositol, choline B12, biotin, and other factors that have been determined to be beneficial to aquatic plant roots.
  • NUTRIENTS: When inserted into the gravel, Seachem Flourish Tabs provide direct, time-released fertilization to the plants’ root zone. Nutrients are slowly made available through enzymatic action of the plants’ roots on the tabs.
  • TANK USE: Insert one Flourish Tab in the gravel for every 10–15 cm (4–6 in.) radius. A standard 10 gallon aquarium requires 6 tabs. Distribute the tablets evenly throughout the gravel bed, pushing each tablet midway into the gravel bed.
  • COMPLETE MAINTENANCE: For optimal plant growth, add new Flourish Tabs to the aquarium once every three to four. Seachem Flourish Tabs will not alter pH, however, in very soft or unbuffered water, they have slightly acidic properties similar to peat moss.
  • Manufacture: Seachem Laboratories, Inc.
  • Item Weight: 0.705 ounces
  • Product Dimensions: 7.91 x 5 x 0.59 inches
  • Editor's Impressions Of The Seachem 19291
  • Quality
  • Value For Money
  • Affordability

Seachem 19291 Final Thoughts

"These filter cartridges."

I have never had one tear or fall apart under any circumstances. These filters get the job done, but do plug up quickly when my water is that gross. API Stress Coat is a phenomenal product. If you look inside the box you'll see dust and stray granules. I'm glad Amazon had these small cartridges. No idea how well it's cleaning, but they are hella cute. 4-5 squirts in a sink of water, soak my suit 10 min, wring out and hang to dry.

Overall Score
4.6


(2129 Points)

6. Seachem Pristine Aquarium Treatment

User Ratings: 82 2

Seachem 001438 First Impressions

"After searching online."

No idea how well it's cleaning, but they are hella cute. The picture shows an aqua color and mine is orange. Will be ordering multiple of them for my needs. These fish contain silver in a compound that dissolves slowly. In terms of taking water out, it's great. I do not use this as a product to treat my tap water. Also some granules of activated carbon will fall out when you rinse them.

  • Seachem Pristine Aquarium Treatment
  • Performance driven at affordable prices
  • Made in the USA with quality materials
  • Field tested to ensure nothing but the best for your pet
  • Included Components: Seachem Pristine Aquarium Treatment, 500Ml
  • Natural organic waste management
  • Rapidly and safely eliminates sludge and detritus
  • Helps increase water clarity
  • Marine and freshwater
  • Manufacture: Seachem
  • Product Dimensions: 5 x 2 x 4 inches; 1 Pounds
  • Editor's Impressions Of The Seachem 001438
  • Quality
  • Value For Money
  • Affordability

Seachem 001438 Final Thoughts

"Highly recommended!"

Also some granules of activated carbon will fall out when you rinse them. I just change them when they get clogged. If you have a freshwater fish tank, I highly recommend this product. If you look inside the box you'll see dust and stray granules. I had the filters in a few days ordering from Amazon. Overall, these are easy to use filters& seem to do a good job. The siphon works well and does what it should.

Overall Score
4.7


(1914 Points)

7. Seachem ParaGuard, 500 mL / 16.9 fl. oz. - 603

User Ratings: 82 2

Seachem First Impressions

"Great price as well!"

It only requires 3 drops per gallon you add to your tank. I've been using these filters in my aquarium for years. 4-5 squirts in a sink of water, soak my suit 10 min, wring out and hang to dry. This tool has made maintenance so much more easy and efficient. I was impressed at the suction and speed of this little tool. Have them on subscribe and save now. They arrived quickly and as promised.

  • Seachem ParaGuard, 500 mL / 16.9 fl. oz. - 603
  • Fish and filter safe parasite control
  • The only fish and filter safe aldehyde based parasite control product available (for parasites on fish)
  • Employs a proprietary, synergistic blend of aldehydes, malachite Green, and fish protective polymers
  • Effectively and efficiently eradicates many ectoparasites (ich, etc) And external fungal, Bacterial, and viral lesions (fin rot)
  • 250 milliliters treats 500 US gallons
  • Manufacture: Seachem
  • Editor's Impressions Of The Seachem
  • Quality
  • Value For Money
  • Affordability

Seachem Final Thoughts

"I have a 2."

Okay, I don't own an aquarium- probably never will. I have already repurchased and given a few to other people as well. Be sure to unplug the filter before you do the change. We like to name our new fish every month. In my opinion there's nothing better. In terms of taking water out, it's great. This piping and some electrical tape made it quiet again.

Overall Score
4.7


(1601 Points)

8. Seachem Safe, 250 g / 8.8 oz

User Ratings: 86 2

Seachem First Impressions

"Contains 2 bottles."

Also some granules of activated carbon will fall out when you rinse them. Put in last night and my water is crystal clear. Fish possess an antioxidant defense system to reduce the negative effects of ROS. We like to name our new fish every month. Then put hose in your bucket and viola, it will draw water! The auction begins with just a few squeezes even my young nephew could do it. I tested it again this morning and it's down to 838ppm.

  • Seachem Safe, 250 g / 8.8 oz
  • The Complete And Concentrated Conditioner For Both Fresh And Salt Water
  • Removes Chlorine Chloramine And Ammonia
  • Converts ammonia into a safe nontoxic form that is readily removed by the tank's bio filter
  • May Be Used During Tank Cycling To Alleviate Ammonia And Nitrite Toxicity; Non Acidic And Will Not Impact Ph. Nor Will It Over Activate Skimmers
  • Safe Is The Dry Version Of Prime And Shares All Of Its Advantages, However Safe Is Even More Concentrated
  • Manufacture: Seachem
  • Editor's Impressions Of The Seachem
  • Quality
  • Value For Money
  • Affordability

Seachem Final Thoughts

"My beta loves the worms."

Fish possess an antioxidant defense system to reduce the negative effects of ROS. Washed with hot water several times to get rid of it. I have done this a several times with great results. I highly recommend the product and seller without hesitation. This piping and some electrical tape made it quiet again. We like to name our new fish every month. It is much safer to simply to add 3 drops per gallon.

Overall Score
4.7


(1378 Points)

9. Seachem StressGuard Slime Coat Protection - Stress and Toxic Ammonia Reducer 500 ml

User Ratings: 86 1

Seachem 116052306 First Impressions

"So it is worth the money."

I highly recommend the product and seller without hesitation. They arrived quickly and as promised. I decant this to a small 5 oz squeeze bottle and leave the rest in the fridge. The ridges interfere with moving the hose around in the tank. My tank is always clean now and the fish are growing and happy! It's far superior to manually scooping out the water from the fish tank. I have two goldfish and about 12 khuli loaches in a 20gal tank.

  • Seachem StressGuard Slime Coat Protection - Stress and Toxic Ammonia Reducer 500 ml
  • Premium slime coat protection
  • Promotes healing in wounds
  • Will not coat resins or clog filter
  • Protein active colloids
  • Reduces stress when handling or transporting fish
  • Antiseptic for fish
  • Promotes healing
  • Marine and freshwater
  • Manufacture: Seachem Laboratories, Inc.
  • Part Number: 075435
  • Material: Cotton
  • Item Weight: 1.15 pounds
  • Product Dimensions: 6.6 x 2.4 x 2.3 inches
  • Size: 500 ml
  • Color: Original Version
  • Batteries Included?: No
  • Batteries Required?: No
  • Editor's Impressions Of The Seachem 116052306
  • Quality
  • Value For Money
  • Affordability

Seachem 116052306 Final Thoughts

"Seems to be helping."

Overall, these are easy to use filters& seem to do a good job. If you're treating injured fins or introducing new fish, this is for you. When they disinfect a repair site, they are normally only using chlorine. Fish are aerobic organisms that are susceptible to ROS. I love all of the API products, especially their easy to use test kits. Don't claim to be an expert, but I've never heard of that. Boiling water does more to kill mold and bacteria, so save your money.

Overall Score
4.8


(1279 Points)

10. Seachem Stability Fish Tank Stabilizer - For Freshwater and Marine Aquariums 250ml

User Ratings: 85 2

Seachem 116012607 First Impressions

"Buy another."

My tank is always clean now and the fish are growing and happy! I really do need 1 that flows on its own. Great price and will for sure be ordering these again. Boiling water does more to kill mold and bacteria, so save your money. Will be ordering multiple of them for my needs. From their own colon or a hole in the ground. This allows the conditioner time for its anti-heavy metal ingredients to work fully.

  • Seachem Stability Fish Tank Stabilizer - For Freshwater and Marine Aquariums 250ml
  • TANK STABILIZATION: Seachem Stability will rapidly and safely establish the aquarium biofilter in freshwater and marine systems, thereby preventing the #1 cause of fish death: "new tank syndrome".
  • TREATMENT: Stability is formulated specifically for the aquarium and contains a synergistic blend of aerobic, anaerobic, and facultative bacteria which facilitate the breakdown of waste organics, ammonia, nitrite, and nitrate.
  • BACTERIA GROWTH: The necessary conditions for the growth of Stability's bacterial strains encompass a very broad range. When other bacteria begin to die off (usually from high organic loads caused by the unknown death of an organism), Stability simply becomes more effective.
  • USE: Shake Seachem Stability well before use and turn off UV/ozone filter. Use 1 capful (5 mL) for each 40 L (10 US gallons) on the first day with a new aquarium. Then use 1 capful for each 80 L (20 US gallons) daily for 7 days. Fish and other aquatic species may be introduced at any time as long as the dosage is maintained for 7 days.
  • SAFE: The bacteria employed by Stability are non-sulfur fixing and will not produce toxic hydrogen sulfide. Stability is completely harmless to all aquatic organisms as well as aquatic plants, thus there is no danger of overuse.
  • Manufacture: Seachem Laboratories, Inc.
  • Item Weight: 10.2 ounces
  • Product Dimensions: 6.1 x 1.8 x 1.2 inches
  • Editor's Impressions Of The Seachem 116012607
  • Quality
  • Value For Money
  • Affordability

Seachem 116012607 Final Thoughts

"Also, have some patience."

I highly recommend the product and seller without hesitation. I always deep clean my humidifier every week-week and half regardless. I decant this to a small 5 oz squeeze bottle and leave the rest in the fridge. Our water in this town is really disgusting. Before I did anything with my tank Saturday the TDS reading was in the hight 900's. I don't have to work a hard as I did before just to clean my tank. I had the filters in a few days ordering from Amazon.

Overall Score
4.7


(1024 Points)

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