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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Laboratories Flourish Potassium Plant Supplement, 250ml

Product ID: 157769732

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Details

Brand
Seachem
Liquid Volume
250
Item Weight
249 g
Item Form
Liquid
Manufacturer
AQUATIC Reg. ;

🌿Phosphate & nitrate free for precise nutrient control

💧Highly concentrated 50,000 mg/L potassium

⚖️Adjust potassium without altering N or P levels

Description

🌿 Unlock your aquarium’s full growth potential with precision potassium power!

DEFICIENCY DEFENSE - Prevents yellowing, browning, and weak stems by maintaining optimal potassium.
EASY DOSING SYSTEM - Simple capful measurement for consistent, hassle-free supplementation.
SEAMLESS COMPATIBILITY - Perfectly pairs with Flourish Nitrogen and Phosphorus for balanced aquarium nutrition.
PRECISION GROWTH BOOSTER - Target potassium levels exactly without unwanted nitrogen or phosphorus spikes.
ULTRA CONCENTRATED FORMULA - Delivers a potent 50,000 mg/L potassium dose for rapid plant vitality.

Seachem Flourish Potassium is a 250ml liquid supplement delivering 50,000 mg/L of elemental potassium derived from potassium sulphate. It’s uniquely phosphate and nitrate free, allowing aquarists to fine-tune potassium levels without impacting nitrogen or phosphorus, ensuring vibrant, healthy aquatic plants and preventing common potassium deficiency symptoms.

Specifications

Brand	Seachem
Liquid Volume	250 Millilitres
Item Weight	249 g
Item Form	Liquid
Manufacturer	AQUATIC REMEDIES, AQUATIC REMEDIES , Reg. Off. #5, South Made Street, Kolathur , Chennai , Tamil Nadu-99 ; +91 7042836466
UPC	015568977138 000116046602
Global Trade Identification Number	00000116046602
Department	Unisex-Adult
Manufacturer	AQUATIC REMEDIES
Item model number	466
Product Dimensions	12.45 x 6.1 x 5.59 cm; 249.48 g
ASIN	B0002A5WRY

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