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Seachem Flourish Comprehensive Supplement, 250 ml

Q: How much would ou need to use in a 90 litre tank...?

I would say between 1-2 thread in the cap. Each thread works out to 50L.

Q: Im looking to actually encourage algae growth in my tank, will this help with that?

It depends. With few fast growing plants in the tank then Flourish will tend to encourage algae growth, sometimes very quickly. But it can also unbalance bacterial load in filters if over dosed so go carefully. You might also find that black hair algae grows quickly ... not always a good source of food for fish, snails or shrimps if that’s what you want algae for.

Q: Hi. Is this safe to use in newly set up (4weeks) aquarium. Java ferns melting. Thanks

If is newly set up u need tank to go via cycling all plants at first melt before settling in. Keep eye on your tank. I would not add anything but if you really want should be OK

Q: If I does 4ml for my 200 litre is that once a wk and is it necessary to Refrigerate it? Thanks

Depends on how many plants and fish you have, I have a lot of fast growing plants in my 250 litre tank along with slower growers such as anubias, so I add 2ml everyday. Daily is better than dosing 1-2 times per week...Analogy: would you rather be fed 1-2 times per week or daily? As for keeping in the fridge: Flourish contains nitrogen, phosphorus, vitamins and amino acids and can get contaminated by stuff in the air when opened which can cause bacteria, mould, or fungus to grow inside the bottle. Seachem recommends putting it in the fridge 3 months after opening, I put it mine in straight away. If you start to get a lot of algae growth just cut down on the dosing.

Product ID: 50963554

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Details

Brand
Seachem
Liquid volume
250
Item weight
0.25 Kilograms
Item form
Liquid
Manufacturer
Seachem

🌿Complete micro & trace nutrients

💧250 ml liquid formula

⚖️Zero nitrogen & phosphorus

Frequently Bought Together

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Fluval 12694 Plant and Shrimp Stratum for Freshwater Fish Tanks, 8.8 lbs. – Aquarium Substrate for Strong Plant Growth, Supports Neutral to Slightly Acidic pH

Description

🌿 Elevate your aquarium’s green game with every drop!

COMPACT EFFICIENT - Small 250 g bottle fits perfectly in any aquarium setup
PRECISION LIQUID DOSE - Easy-to-use 250 ml liquid ensures consistent nutrient delivery
ALL IN ONE PLANT POWER - Delivers essential micro and trace elements for vibrant aquatic growth
SAFE FOR YOUR ECOSYSTEM - Drug-free and gentle on fish and plants alike
CLEAN BALANCED FORMULA - No nitrogen or phosphorus to prevent algae overgrowth

SeachemFlourish Comprehensive Supplement is a 250 ml liquid nutrient formula designed to provide essential micro and trace elements to planted aquariums without adding nitrogen or phosphorus, ensuring healthy plant growth while preventing algae blooms. Perfect for fish-safe, balanced aquatic ecosystems.

Specifications

Pet Type	Fish
Product Dimensions	15.49 x 3.3 x 3.05 cm; 250 g
Item model number	001254
Item Form	Liquid
Allergen Information	Drug-Free
Colour	Brown
Size	250 ml
Volume	250 Millilitres
Number of Items	1
Quantity	1
Specific Uses	fish
Batteries required	No
Batteries Included	No
External Testing Certification	Não aplicável
Item Weight	250 g

Have a Question? See What Others Asked

How much would ou need to use in a 90 litre tank...?

Im looking to actually encourage algae growth in my tank, will this help with that?

Hi. Is this safe to use in newly set up (4weeks) aquarium. Java ferns melting. Thanks

If I does 4ml for my 200 litre is that once a wk and is it necessary to Refrigerate it? Thanks

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