Best Growth Supplement For Aquarium

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It’s a known truth that a planted tank’s beauty can only be enhanced by bringing out that natural taste which only real plants can afford with the use of the best growth supplement for aquarium

Since real plants also need real food, you need to go out of your way to provide them with the best nutrients for growth, ideally provided by an all-in-one product acting as an aquarium plant fertilizer.

As an aquarium hobbyist you need to go out of your way and add the best growth supplement for aquarium, because a wrong or an inadequate choice of fertilizer has the potential to inhibit vegetative mass development and harm other aquatic inhabitants.

You as the aquarium keeper is in the best position to choose the best aquarium growth supplement for aquarium that’s also safe for the fish in your freshwater tank if only to prevent genocide in there.

Identifying the Best growth supplement for aquarium Tank that will give the appropriate solutions and remarkably handle the affairs of the water in the tank is very important for you.

However, being able to do this can sometimes feel like achieving a milestone. This is because it can be confusing to choose from the majority of brands that promises to offer the best services for your aquarium.

Choosing the Best Growth Supplement For Aquarium

There are set guidelines that you should consider when selecting the best growth supplement for aquarium.

Brand: it is essential to check the brand of the product you are buying because there are brands that have a reputation for quality in the market.

Reviews: what other consumers of the product are saying can really steer your decision making when buying your suction cups.

Quality: you should have a specific want and need regarding quality and functions you want from the type of growth supplement you are getting.

Having known this, you should look out for these qualities when buying your product.


Top 15 Best Growth Supplement For Aquarium Tank 2020

1) Seachem Flourish Advance Growth Supplement

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.

For over three decades, Seachem has been a company rooted in sound science. Seachem remains as one of the few surviving independent and privately owned pet care companies. Seachem is owned and operated by hobbyists.


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. significantly enhanced growth in the leaves and stems of the plants will occur.

TO 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.

2) Seachem Plant Pack: Fundamentals

 Seachem Pack Fundamentals is an excellent pack for beginning aquatic gardeners. It contains Flourish, Flourish Iron, Flourish Excel.

Flourish is a growth stimulator for aquarium plant stems and leaves. It contains a broad spectrum of essential trace elements, vitamins, and amino acids.

Flourish is rich in gluconate iron, manganese, calcium, magnesium, potassium, inositol, choline B12, biotin, and other factors that have been determined to be beneficial to aquatic plants.

Flourish Iron is a companion product to Flourish and Flourish Tabs. It is a complexed ferrous (Fe+2) iron product which contains 10,000 mg/L of iron and is ideal for iron maintenance in the natural planted aquarium.

Plants can utilize both ferric (Fe+3) and ferrous (Fe+2) iron, although they prefer ferrous iron when available.

Flourish Excel is a simple source of readily available organic carbon. All plants require a source of carbon. This is typically obtained from CO2, but, may also be obtained via relatively simple organic compounds (such as photosynthetic intermediates).

Since both processes occur simultaneously one can derive a substantial benefit with the use of Flourish Excel either alone or in conjunction with CO2 injection.

3) Glosso Factory All in one Planted Aquarium Fertilizer

In a planted aquarium algae typically occurs not only from an excess of nutrients but also from an imbalance. Plants and Algae will fight a constant war over nutrients in the tank.

Typically plants can store nutrients more efficiently than lower order algae can, so as long as the right balance of nutrients is supplied plants generally will win the battle for nutrients.

This fertilizer is formulated to supply plants with the proper balance of macro and micronutrients by aiming to keep specific nutrients as the limiting factor for plant growth.

Normal Dosage: 1 pump per 10 gallons

For densely planted, mature, tanks with 30+ppm CO2, dose 5-7 times weekly
For normal and newly planted tanks dose 3-5 times weekly
For low tech planted tanks dose 2-3 times weekly

Dose with regular water changes: Recommended 50% water change twice weekly. If algae growth occurs, increase water changes and or reduce dosage.

4) Seachem Plant Pack Enhancers

Plant Pack Enhancer: NPK combines Flourish Nitrogen, Flourish Phosphorus, and Flourish Potassium. Flourish Nitrogen is a concentrated (15,000 mg/L) blend of nitrogen sources. It provides nitrogen in both the nitrate form and the plant-preferred ammonium form.

However, no free ammonia is released because the ammonium in Flourish Nitrogen is complexed and unavailable until utilized by the plants. Flourish Nitrogen also provides nitrate for those plants that can readily utilize nitrate as well.

Flourish Phosphorus is a safe solution of potassium phosphate that takes the guess work out phosphate dosing. Unlike competing products that mix nitrate and phosphate in a fixed ratio, Flourish Phosphorus (being nitrate free) allows you to dose phosphorus according to the needs of your plants without the risk of overdosing nitrates.

Likewise, because Flourish Nitrogen is phosphate free you can use both products together to target exactly the ideal amounts of each for your system. Flourish Potassium contains 40,000 mg/L of potassium suitable for the natural freshwater aquarium. Potassium is an important element that is needed by all plants.

In a thriving planted aquarium it can become the limiting factor to growth if it is depleted.

5) ThriveCaps Aquarium Root Tab/Caps

ThriveCaps Premium Root Zone Fertilizer Capsules are a very similar product to the previous ThriveTabs, with a few improvements.

These capsules dont require any additives to make them stick together which allows them to be smaller and more concentrated while still delivering similar nutrient levels.

ThriveCaps – Substrate additive for planted aquarium Contain Micro and macro elements as well as other minerals ThriveCaps are nutrient rich capsules which are intended to be placed in the substrate of a planted freshwater aquarium.

They will provide a long lasting nutrient source essential for healthy plant growth.

ThrivedCaps are a blend of dry Thrive mix, iron rich clay and mineralized top soil.

How To Use: Place a capsule at the base of each plant or space out around the tank every 5-6″ in a grid pattern. Push down to the bottom of the substrate as far as you can. Replace every 3-4 months or as needed.


ThriveCaps are nutrient rich tablets which are intended to be placed in the substrate of a planted freshwater aquarium. They will provide a long lasting nutrient source essential for healthy plant growth.

ThriveCaps are the only commercially available aquarium specific root tabs that contain all the necessary micro and macro nutrients so your plants can THRIVE

Other competitor tabs claim the fact that they lack certain nutrients(Flourish tabs dont contain nitrogen or phosphate) is a good thing. They are necessary for the survival of the plants.

ThriveCaps are a blend of dry Thrive mix, iron rich clay and mineralized top soil.


6) 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.

7) Osmocote Plus Aquarium Live Plant Fertilizer Root Tabs 

Aquarium Water Plant Root Fertilizer Tabs Great Fertilizer For Planted Aquariums Ideal Fertilizer For Deep Rooter’s Such As Amazon Sword And Many Other Plants

  • Osmocote Plus Aquarium Water Plant Root Fertilizer Tabs
  • Great Fertilizer For Planted Aquariums
  • Ideal Fertilizer For Deep Rooter’s Such As Amazon Sword And Many Other Plants

8) Seachem Flourish Freshwater Plant Supplement

Seachem Flourish is a comprehensive plant supplement for the natural freshwater aquarium, containing a rich assortment of important micro elements, trace elements and other nutrients.


SUPPLEMENT: Seachem Flourish is a comprehensive plant supplement for the natural freshwater aquarium, containing a rich assortment of important micro elements, trace elements and other nutrients.

ELEMENTS: In order to benefit your aquatic plants and help your freshwater environment thrive, Seachem Flourish contains calcium, magnesium, iron, and other important elements.

WATER TREATMENT: For best results, use 1 capful (5 mL) of Flourish for each 250 L (60 US gallons) once or twice a week. For smaller doses, please note that each cap thread is approximately 1 mL. Refrigeration is recommended 3 months after opening.

SOLUTION COLOR: It is normal for the color of Seachem’s Flourish to vary by batch as the solution color is dependent on the temperature at which the product was blended. This variation in color is of no consequence to the function of Flourish.

SAFETY: Seachem Flourish is safe to use for invertebrates such as shrimp, but is designed to be used in conjunction with other macro and micro-nutrient supplements in aquariums only

9) Weco Wonder Shell Natural Minerals 

Decorative, molded scallop-shaped shells, Weco Wonder Shell is made of all natural ingredients that provide beneficial minerals and electrolytes to aquarium water.

Each shell oxygenates, aerates and neutralizes harmful acids. Provides crabs, snails and turtles with an easily available source of calcium for healthy shell growth.


  • This is for 2 packages of the Weco Wonder Shell Natural Minerals (3 Pack), Small for a total of 6 shells
  • Made of natural materials
  • Removes chlorine instantly
  • Clears water

10) API CO2 Booster

API CO2 BOOSTER Freshwater Aquarium Plant Treatment promotes vibrant, healthy aquarium plants with easy-to-use liquid carbon, which is a necessary element used by aquarium plants for photosynthesis.

API CO2 BOOSTER Freshwater Aquarium Plant Treatment supplies a concentrated source of carbon in two forms: CO2, as well as simple, organic carbon compounds.

This liquid treatment supplies simple carbon compounds and slowly releases CO2 that plants can absorb through the water. May be used alone or with a CO2 system.

API CO2 BOOSTER Freshwater Aquarium Plant Treatment is safe for use with freshwater fish and will not alter pH levels in aquariums.

Use with API LEAF ZONE and API ROOT TABS Plant Fertilizer for complete plant care. With API Aquarium products, it’s easy to keep a beautiful saltwater, freshwater or reef aquarium.


  • Contains one (1) API CO2 BOOSTER Freshwater Aquarium Plant Treatment 8-Ounce Bottle
  • Promotes plant growth in freshwater aquariums
  • Adds essential carbon in a form plants can absorb from the water
  • Can be used alone or with a CO2 system without altering aquarium pH levels
  • Use daily in order to ensure lush, vibrant aquarium plants



How long do flourish tabs last?

it lasts up to 3 to 4 months, depending on usage.
Flourish Tabs contain no phosphate or nitrate that would promote algae proliferation. For best results, use in combination with Flourish. Each dose lasts 3 to 4 months. Use 1 tablet per 4 to 6 inch radius.

Are root tabs safe for fish?

API Root Tabs are safe for use with tropical fish, and may be used in conjunction with a liquid fertilizer for optimal aquatic plant growth

Best Aquarium Plant Fertilizer Reviews

  1. Seachem Flourish.
  2. API Leaf Zone Aquarium Plant Food.
  3. API CO2 Booster.
  4. EXTREMELY EASY TO USE LIQUID FERTILIZER, Thrive All In One Liquid Fertilizer.
  5. Liquid NPK+M – Aquarium Liquid Fertilizer.
  6. Plump your marimo with Luffy Fertilizer – Marimo food boosts growth.

What are root tabs for aquarium plants?

Root tabs are nutrients that plants need combined in a tablet form that goes in your substrate. They allow plants with roots to get nutrients as they cannot get from the water.

Do root tabs dissolve?

The tabs do not dissolve readily and it does take root action to get more nutrients to absorbed via root. The tabs provide quite a bit of nutrients especially for heavy root feeders

How long does it take for root tabs to work?

Woah, definitely not a month or so, the tabs/capsules will start breaking down as soon as they’re in the water and start leeching nutrients around them within 24hrs. It should only take about a week for the plant roots to reach and use them and for sure for you to notice that theyre working.

Do you really need co2 for aquarium plants?

You do not have to add carbon dioxide to grow beautiful aquatic plants. All that your aquatic plants need is a reasonable balance of nutrients and light. Carbon dioxide is important for aquatic plant growth, but it is in the water even you don’t put it there yourself

Your choice of the best growth supplement for aquarium will definitely enhance the beauty of your plants and fish tank. Although these growth supplements and their compositions differ by their brand and capabilities, and it is of importance that you have it in mind that several new products are being pumped into the market every day.

Creating a beautiful, ecstatic and habitable environment for your aquarium is very much possible, not to mention cheaper. Now it’s easier and safer too.

Making the right choice should be your priority and with the above set guidelines, you can be sure not to have a difficult time in the market when planning to get your Best growth supplement for aquarium.

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