Is this safe for bettas?

Yes! At the moment, my lonely Betta has been living in a heavily planted 40 gallon tank with some trumpet snails. I have been using only seachem products and they have not not affected him nor the snails, negatively. However use caution when dosing - follow directions. If tank isn’t heavily planted I would half the doses...

Can I use flourish potassium on hibiscus plants?

Would work on any plants I would think.

How many ml do i use for a 72 gal and a 75 gal tank?

10 ml per 60 gal. 2 - 3 times a week per the instructions.

Will it work on watermelons

This product is intended for aquarium use. I suppose it would work in a garden scenario, but is expensive by comparison to garden fertilizers (which are great for plants, but generally kill fish if you put them in an aquarium).

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Seachem Flourish Potassium 250ml

Product ID: 5951852

Details

Brand
Seachem
Item Form
Liquid
Item Weight
8.8 ounces
Liquid Volume
250
Unit Count
1 Count

⚡Prevents growth-limiting potassium depletion

🌿No phosphate or nitrate additives

💧50,000 mg/L potassium concentration

COP 93871

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Description

🌿 Elevate your planted aquarium game—because your plants deserve the best!

BOOST PLANT VITALITY - Supercharge your aquarium’s greenery with 50,000 mg/L potassium for unstoppable growth.
CLEAN PURE FORMULA - Zero phosphate and nitrate means no unwanted algae or water pollution—just pure plant power.
SEAMLESS INTEGRATION - Perfectly complements the entire Seachem Flourish line and Fluorite gravel for a holistic aquatic ecosystem.
TRUSTED BY THOUSANDS - Join over 3,000 happy aquarists who rate it 4.8 stars for consistent, vibrant results.
ESSENTIAL GROWTH SUPPORT - Stops potassium depletion in fast-growing or low-mineral water setups to keep plants thriving.

Seachem Flourish Potassium is a high-concentration liquid potassium supplement (50,000 mg/L) designed to prevent potassium depletion in freshwater planted aquariums. Free from phosphate and nitrate, it supports vigorous plant growth without promoting algae, integrates seamlessly with the Flourish product line, and is trusted by thousands of aquarists worldwide.

Specifications

ASIN	B0002A5WRY
ASIN	B0002A5WRY
Allergen Information	Yam Free
Best Sellers Rank	#14,534 in Pet Supplies ( See Top 100 in Pet Supplies ) #111 in Aquarium Water Treatments
Brand Name	Seachem
Customer Reviews	4.8 4.8 out of 5 stars (3,075)
Date First Available	October 2, 2001
Department	Unisex-Adult
Global Trade Identification Number	00000116046602
Included Components	Seachem Flourish Potassium 250ml
Is Discontinued By Manufacturer	No
Item Form	Liquid
Item Type Name	Seachem Flourish Potassium 250ml
Item Weight	8.8 ounces
Item model number	466
Liquid Volume	250 Milliliters
Manufacturer	Seachem Laboratories, Inc.
Manufacturer	Seachem Laboratories, Inc.
Manufacturer Part Number	466
Model Number	466
Product Dimensions	4.9 x 2.4 x 2.2 inches; 8.8 ounces
Target Species	Fish
UPC	015568977138 000116046602
Unit Count	1 Count
Warranty Description	Warranty

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COP 93871

Duties & taxes included

In stock

Sold byAmazon ColombiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Colombia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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