does the dye filter out

We only have an ultraviolet light filter, just in case, but it stays black. Because it's black it doesn't need cleaning yet. It's been in 2months.

would this hide the pump in a small water feature?

this stuff is great and very dense in colour (wear gloves). it turns the water jet black. anything submerged will not be seen. add it gradually until you reach the desired depth of colour - a little goes a long way. it also helps to keep the algea at bay. hope that helps

Would this dye stain a white bathtub?

don't know ive only used it in glass

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HYDRA BLACK LIQUID DYE 250ml treats UpTo 1063 litres Concentrated Liquid Pond Dye Free of Pesticides, Algaecides Safe for pets fish plants

HYDRA BLACK LIQUID DYE 250ml treats UpTo 1063 litres Concentrated Liquid Pond Dye Free of Pesticides, Algaecides Safe for pets fish plants

Product ID: 48878579

Details

Brand
HYDRA
Item form
Liquid
Liquid volume
250
Manufacturer
Hydra Ltd
Unit count
250 millilitre

🌿Non-toxic & eco-friendly

💧Treats up to 1063L water

🖤Deep black mirror finish

$51.21

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Description

🖤 Elevate your pond game with Hydra Black — where luxury meets eco-conscious clarity!

ALGAES WORST ENEMY - Blocks sunlight to reduce algae and weed growth naturally, keeping your water pristine longer.
ULTRA CONCENTRATED FORMULA - Just 250ml treats over 1,000 liters—effortless elegance with minimal effort and maximum impact.
ECO SAFE FOR YOUR SANCTUARY - Food-grade, pesticide-free, and safe for fish, pets, birds, and plants—beautify without compromise.
VERSATILE EASY APPLICATION - Works instantly in any water feature, from garden ponds to event centerpieces—pour, disperse, and dazzle.
MAXIMIZE YOUR WATERS WOW FACTOR - Transforms ponds & fountains with a rich, reflective black sheen that commands attention.

HYDRA BLACK LIQUID DYE is a highly concentrated, food-grade liquid dye that treats up to 1,063 liters of water, delivering a stunning black mirror-like finish to ponds, fountains, and lakes. Safe for pets, fish, birds, and plants, it’s free from pesticides and algaecides, helping reduce algae growth by blocking sunlight. Trusted by professionals and eco-conscious gardeners alike, this dye offers an economical, easy-to-use solution to enhance water aesthetics while maintaining a healthy aquatic environment.

Specifications

ASIN	B0117I5SFU
Best Sellers Rank	143,188 in Garden ( See Top 100 in Garden ) 524 in Water Garden & Pond Treatment
Brand Name	HYDRA
Country Of Origin	United Kingdom
Customer Reviews	4.4 4.4 out of 5 stars (192)
Item Form	Liquid
Liquid Volume	250 Millilitres
Manufacturer	Hydra International Ltd
Target Species	Fish
Unit Count	250 millilitre

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$51.21

Duties & taxes included

In stock

Sold byAmazon USADelivered 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 USA.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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