Aquatic Plant Supplements
Seachem Flourish Excel is a source of bioavailable organic carbon. All plants require a source of carbon. This is typically obtained from CO2, but, may also be derived from simple organic compounds (such as photosynthetic intermediates).
- Provides aquarium plants with a source of essential carbon
- Great for use alone or in conjunction with CO2 injection
- Iron reducing properties to promote ferrous state of iron
One can derive a substantial benefit with the use of Flourish Excel either alone or in conjunction with CO2 injection. Flourish Excel also has iron reducing properties which promote the ferrous state of iron (Fe+2), which is more easily utilized by plants than ferric iron (Fe+3).
Seachem Flourish Excel is an integral component of Seachem's plant products and is recommended for use with the entire Flourish line as well as our Flourite and Onyx Sand substrates. Contains no phosphate or nitrate.
Directions: On initial use or after a major (> 40%) water change, use 1 capful (5 mL) for every 40 L (10 gallons). Thereafter use 1 capful for every 200 L (50 gallons) daily or every other day. Dosing may be slowly increased in high-growth aquariums. For smaller dosing please note that each cap thread is approximately 1 mL.
- $11.95 - $233.95
- Save $97 (45%)
API CO2 Booster contains a unique organic carbon compound that helps provide plants with the essential carbon. This easy to use liquid formula will help plants grow 7 times more than untreated aquariums.
- Adds essential carbon in form plants can absorb
- Supplies simple carbon compounds and slowly releases CO2 to plants
- Use alone or with CO2 gas
- Safe to use with freshwater fish without altering pH levels
- Easy dosage
API CO2 Booster solves the carbon deficiency problem which can essentially lead to poor plant growth in your aquarium.
- $17.95 - $49.95
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API Leaf Zone promotes the healthy growth of aquatic plants. Leaf Zone is formulated for rapid absorption through plant leaves. Contains chelated iron and potassium essential for lush green leaves.
- Plant food formulated for quick absorption by plant leaves
- Contains chelated iron to promote growth and prevent yellow, decaying leaves
- Contains potassium to aid in photosynthesis and cell pressure maintenance for strong, colorful leaves
Leaf Zone is absorbed through the leaves, giving plants these essential nutrients. When used regularly, Leaf Zone will help keep aquarium plants lush and colorful.
Directions: Add 5 ml per 10 U.S. gallons of aquarium water. Dose weekly.
- $10.95 - $32.95
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Seachem Flourish Advance is an all natural growth enhancer for live aquarium plants, with an enhanced formula that uses phytohormones, minerals, and nutrients to stimulate dramatic growth in roots and shoots. When used regularly, it also heightens mineral absorption and disease resistance.
- Natural phytohormone supplement for the planted aquarium
- Dramatically stimulates the growth of roots and shoots in aquatic plants
- Enhances mineral absorption and improves disease resistance
- Non-toxic and completely safe for all plants, fish and aquatic organisms
What makes it special? Phytohormones give Flourish Enhance an edge over other aquarium plant growth enhancers. They are naturally occurring compounds that play important roles in regulating plant growth in a wide variety of 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.
For ten to fourteen days after application, Flourish Advance stimulates root growth beneath the surface. After this initial induction period, significantly enhanced growth in the leaves and stems of the plants will occur.
Directions: Shake well before use. Use 1 capful (5 mL) for every 80 L (20 gallons). Dose daily or as required to maintain plant growth.
- $13.95 - $278.95
- Save $115 (43%)
Seachem Flourish Iron is a highly concentrated iron supplement for aquariums with live plants. Its simple, pure formula is ideal for iron deficiencies and/or situations when iron requirements are greater than what Seachem Flourish can provide.
- Iron supplement for the planted aquarium
- Highly concentrated (10,000 mg/L) ferrous iron
- Contains no phosphate or nitrate
Flourish Iron contains 10,000 mg/L of ferrous iron (Fe+2) gluconate, a highly effective form of iron that provides greater benefits than ferric state EDTA-iron (Fe+3) sources used in other iron supplements. Plants can only utilize iron in the ferrous state, and must expend extra physiological energy just to make ferric iron supplements usable. Flourish Iron provides plants the iron they need directly, saving time and reducing stress on your plants.
Use Flourish Iron in those cases where iron requirements exceed that which can be delivered by standard Seachem Flourish at the recommended dose, or when signs of iron deficiency appear (including short, slender stems or yellowing between veins).
Directions: Use 1 capful (5 mL) for each 200 L (50 gallons) of water, or as required to maintain about 0.10 mg/L iron. For smaller doses please note that each cap thread is about 1 mL. Use a test kit to monitor iron concentrations. Use as needed to combat signs of iron deficiency (usually seen in new growth).
Iron (Fe) - 1.0%
- $11.95 - $17.95
- Save $7 (45%)
Seachem Flourish is a comprehensive plant supplement for the natural freshwater aquarium. Its rich assortment of important micro elements, trace elements and other nutrients promotes healthy, vigorous growth, health and color in aquatic plants.
- Comprehensive freshwater aquarium plant supplement
- Contains rich assortment of important micro elements
- Helps keep plants healthy and beautiful
Seachem Flourish provides essential micronutrients to encourage vigorous, healthy growth of live freshwater aquatic plants, including calcium, magnesium, iron and other important elements with proven benefits for aquatic plants. This base of micro-nutrients supports macro element (NPK) fertilization in your aquarium.
Flourish provides a wide variety of micro-nutrients, but may also be used with nutrient-specific supplements (including Flourish Nitrogen, Flourish Phosphorus or Flourish Potassium) as needed. Other manufacturers try to include ALL necessary nutrients in one supplement, leading to overdoses of micro-nutrients in an attempt to raise macro-nutrient levels.
Directions: Use 1 capful (5 mL) for each 250 L (60 gallons) once or twice a week. For smaller doses, please note that each cap thread is approximately 1 mL. Refrigeration after opening is recommended but not required.
Total Nitrogen - 0.07%
Available Phosphate (P2O5) - 0.01%
Soluble Potash - 0.37%
Calcium (Ca) - 0.14%
Magnesium (Mg) - 0.11%
Sulfur (S) - 0.27%
Boron (B) - 0.009%
Chlorine (Cl) - 1.15%
Cobalt (Co) - 0.0004%
Copper (Cu) - 0.0001%
Iron (Fe) - 0.32%
Manganese (Mn) - 0.01%
Molybdenum (Mo) - 0.0009%
Sodium (Na) - 0.13%
Zinc (Zn) - 0.0007%
- $7.95 - $233.95
- Save $97 (45%)
Aquarium plants require certain essential nutrients for vibrant growth. Root tabs are formulated to supply key nutrients, including iron and potassium to help new aquatic plants get off to a vigorous start and to keep established plants flourishing.
- Tablets for easy use
- Contains key nutrients including iron and potassium, to stimulate plant growth
- Promotes strong root development
- New plants get a great start and established plants flourish
Add 1 tablet for each 30 square inches of gravel surface. Push midway into gravel bed. Add new tablets monthly for optimum plant growth.
Ingredients: Nitrogen, Phosphate, Soluble Potash, Iron.
- $14.95 - $80.95
- Save $33 (43%)
Seachem Flourish Tablets are rich in essential trace elements, amino acids, vitamins, and minerals to stimulate healthy growth in aquatic plant roots. They contain no phosphate or nitrate and do not support the growth of nuisance algae.
- Gravel bed supplement for the planted aquarium
- Growth stimulating tablets for plant roots
- Source of micro elements, trace elements and other essential nutrients
These convenient tabs are rich in iron, manganese, magnesium, calcium, potassium, inositol, choline B12, biotin, and other factors that are beneficial for aquatic plant roots. They're an ideal aid for the beginner, with all the nutrients found in Seachem Flourish compressed into an easy-to-use, pre-dosed tablet. Once inserted into the gravel, Flourish Tabs provide direct, time-released fertilization to the root zone. Roots then perform enzymatic action on the tabs, slowly releasing nutrients in healthy doses. Ten tablets will treat a 12"x30" plant bed twice. For best results, use in combination with Flourish.
Directions: Insert one Flourish Tab in the gravel for every 10-15 cm (4"-6") radius. A standard 10 gallon aquarium requires 6 tabs. Distribute the tablets evenly throughout the gravel bed. Add new tablets once every 1-3 months for optimal plant growth. Tabs will not alter pH, but, in very soft or unbuffered water, they have slightly acidic properties similar to peat moss.
Total Nitrogen - 0.28%
Available Phosphate - 0.17%
Soluble Potash - 0.16%
Calcium - 14.9%
Magnesium - 0.06%
Sulfur - 12.2%
Boron - 0.029%
Chlorine - 0.55%
Cobalt - 0.001%
Copper - 0.001%
Iron - 2.2%
Manganese - 0.23%
Molybdenum - 0.0009%
Sodium - 0.14%
Zinc - 0.0024%
- $14.95 - $121.95
- Save $51 (44%)
Seachem Flourish Phosphorus helps accelerate and enhance the growth of live aquarium plants, without contributing to nuisance algae growth. This simple, safe solution contains no nitrates, allowing precise phosphorus dosing to meet your plants' needs.
- Phosphorus supplement for the planted aquarium
- Safe solution (4,500 mg/L) of potassium phosphate
- Contains no nitrate and does not contribute to algae growth
Flourish Phosphorus supplies an ideal concentration (4,500 mg/L) of phosphorus, one of the three macro nutrients required for healthy plant growth (the others are nitrogen and potassium). Unlike competing products, it is nitrate-free and allows you to accurately dose your aquarium's phosphate levels without the risk of overdosing nitrates. Use Flourish Phosphorus along with Flourish Nitrogen and Flourish Potassiumto achieve an ideal ratio of all three nutrients.
Beginner: Use 2.5 mL (half a cap) for each 80 L (20 gallons) once ot twice a week or as needed in response to signs of phosphorus deficiency (such as stunted growth and/or very dark green coloring).
Expert: The beginner dose raises phosphorus by 0.05 mg/L (0.15 mg/L phosphate). The ideal phosphate level will vary, but generally ranges from 0.15-1.0 mg/L. Use a reliable test kit to monitor phosphate levels. To target a specific phosphate increase, dose according to the following formula: 0.8vp=m, where v=volume of tank in gallons, p=desired phosphate increase and m=volume of product to use (in mL). For example, to raise 20 gallons to 0.1 mg/L phosphate you would use: 0.8x20x0.1=1.6 mL.
Total Phosphate (P2O5) - 0.3%
Soluble Potash (K2O) - 0.2%
- Save $7 (41%)
Seachem Flourish Potassium provides concentrated potassium to support vigorous growth in aquariums with natural, living plants. This safe, effective supplement helps you avoid potassium depletion, yellowing leaves, and limited plant growth.
- Potassium supplement for the planted aquarium
- Helps maintain a vigorous level of plant growth
- Helps resolve yellowing, death/browning and weak stems and roots
Flourish Potassium contains 50,000 mg/L of potassium - one of the highest concentrations available. Water with low mineral content or systems with rapidly growing live plants can quickly deplete available potassium, causing potassium to become the limiting factor for further growth. Use Flourish Potassium to prevent potassium depletion (signs of which include yellowing in older leaves) and maintain the highest level of growth.
Potassium is most easily obtained from potassium nitrate and potassium phosphate, both of which add either nitrogen or phosphorus to the water and make it more difficult to maintain a specific NPK ratio. However, Flourish Potassium is derived from potassium sulfate, which lets you adjust potassium levels without affecting your tank's nitrogen or phosphorus.
Directions: Use 1 capful (5 mL) for every 125 L (30 gallons). This dose raises potassium by 2 mg/L. Repeat 2–3 times per week or as needed (in response to signs of potassium deficiency in older leaves which includes: chlorosis (yellowing), necrosis (death/browning), and weak stems and roots).
Soluble Potassium (K2O) - 5.8%
- $11.95 - $17.95
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Seachem Flourish Nitrogen is a concentrated (15,000 mg/L) blend of nitrogen sources. Nitrogen is one of the main three macro nutrients (nitrogen, phosphorus, and potassium) required by plants and can often become the limiting factor to growth in a nourishing system.
- Nitrogen supplement for the planted aquarium
- Provides nitrogen in two forms
- Releases no free ammonia
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. For maximum benefit use with Flourish Phosphorus and Flourish Potassium.
Because one-half of the nitrogen in Flourish Nitrogen is from nitrate you can get a reasonable estimate of nitrogen levels by doubling a nitrate reading, or, you can use Seachem’s MultiTest: Total Nitrogen (coming soon!) to accurately measure total nitrogen while distinguishing between nitrate, ammonia and organic nitrogen.
Beginner: Use 2.5 mL (half a cap) for each 160 L (40 gallons*) twice a week or as needed in response to signs of nitrogen deficiency (e.g. stunted growth, chlorosis). For smaller doses, please note that each cap thread is approximately 1 mL.
Expert: The beginner dose raises nitrogen by the same degree that 1 mg/L nitrate would. This dose is sufficient to provide approximately 4 g of growth (dry) or about 20 g (hydrated) over a 1 month period (assuming all other necessary nutrients are provided). For increased growth use proportionately more. To target a specific nitrogen increase, dose according to the following formula: 0.25vn=m, where v= volume of tank in gallons*, n=desired nitrogen increase (if using a “nitrate equivalent” value for “n” then use a factor of 0.05 instead of 0.25 in the formula) and m=volume of product to use in mL. For example to raise 20 gallons* by 0.20 mg/L nitrogen you would use: 0.25*20*0.20=1 mL.
- Save $7 (41%)
Seachem Flourish Trace supplies a broad range of necessary trace elements for proper health and growth of live aquarium plants. Trace elements are normally depleted by utilization, oxidation and precipitation and are important to replenish on a regular basis.
- Restores trace elements on a regular basis
- Resolves a wide variety of visible plant problems
- Supplies a broad range of trace elements for proper plant health and growth
Oxidation and precipitation occur more rapidly with trace elements than with other micronutrients, making it important to restore trace elements on a regular basis. Flourish Trace may be used alone or in conjunction with Seachem Flourish for best results. By providing trace elements separately from essential minerals, you are able to replenish trace elements more frequently without unnecessary build-up of components that are used more slowly.
Signs of trace element deficiencies:
- Boron: Death of stem and root apical meristem, leaves twisted, young tissue most affected
- Cobalt: Used for nitrogen fixation, same as nitrogen deficiency signs (stunted growth)
- Copper: Young leaves dark green, twisted, wilted, tip remains alive
- Manganese: Chlorosis of young leaves, with smallest veins remaining green, necrosis between veins
- Molybdenum: Chlorosis, twisting, death of young leaves
- Zinc: Reduced leaf size, shortened internodes, chlorosis, spotted leaves, older leaves most affected
- Nickel: lack of germination or seed formation, required for iron absorption
Directions: Use 1 capful (5 mL) for every 80 L (20 gallons) twice a week.
Boron (B) - 0.0028%
Cobalt (Co) - 0.00003%
Copper (Cu) - 0.0032%
Manganese (Mn) - 0.0085%
Molybdenum (Mo) - 0.0003%
Zinc (Zn) - 0.0169%
Rubidium (Rb) - 0.000008%
Nickel (Ni) - 0.000003%
Vanadium (V) - 0.000002%
- Save $5 (45%)