My rocks are still covered in algae after two applications: any tips?

When using CrystalClear Algae D-Solv, make sure to clean the excess algae off the sides, ornaments, and rocks before adding this product. This will reduce the amount of decaying organic matter. Also, you will get the best results using this product in conjunction with vigorous aeration and then following up with beneficial bacteria.

Is this product safe to use on water features that attract birds?

Sorry don’t know. Ask manufacturer

How much for a 300 hondred gallon pond

Dilute 1 ounce of CrystalClear Algae D-Solv for every 360 gallons in a container of pond water. Pour the solution into the pond in an area with the greatest circulation. You will see the best results using Algae D-Solv in conjunction with vigorous aeration.

I just have a small fountain, how much should I use for 4 gallons?

Guessing teaspoon. A small portio you’d use in a koi pond. Read instruction. Use a small % of that. We have 2 koi ponds 4x16x2 feet and 4 ft wide and 2 feet deep x 22 feet long.

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CrystalClear Algae D-Solv Pond Algae Control, Fast-Acting EPA Registered Algaecide, Use in Fountains & Outdoor Ponds Containing Koi & Other Fish, Treats 46,080 Gallons, 1 Gallon

CrystalClear Algae D-Solv Pond Algae Control, Fast-Acting EPA Registered Algaecide, Use in Fountains & Outdoor Ponds Containing Koi & Other Fish, Treats 46,080 Gallons, 1 Gallon

Product ID: 66750597

Details

Brand
CrystalClear
Item Form
Liquid
Item Weight
16 ounces
Liquid Volume
1 Gallons
Manufacturer
Airmax

⚡Fast-acting algae control

🌊Treats up to 46,080 gallons

🐟Safe for koi & fish

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40850 Ft

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In stock

Sold byAmazon HungaryDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌿 Clear water, happy fish, zero hassle—your pond’s new best friend!

MASSIVE COVERAGE - One gallon treats up to 46,080 gallons—perfect for large ponds & fountains.
FISH PLANT FRIENDLY - Copper-free formula ensures koi, comets, and aquatic plants thrive while algae vanish.
VERSATILE APPLICATION - Ideal for ponds, fountains, water gardens & aquariums—no draining or scrubbing needed.
EFFORTLESS MAINTENANCE - Simple dosing (1 fl oz/360 gallons) keeps your pond crystal clear with minimal upkeep.
RAPID ALGAE ERADICATION - Clears green water, string algae & blanketweed fast—no more unsightly blooms.

CrystalClear Algae D-Solv is a fast-acting, EPA-registered algaecide designed to eliminate various algae types including green water and string algae. Its copper-free formula is safe for koi, ornamental fish, and aquatic plants, making it ideal for ponds, fountains, and water gardens. One gallon treats up to 46,080 gallons of water, providing an easy, effective solution to maintain crystal-clear water without draining or scrubbing.

Specifications

ASIN	B01MTLT394
Best Sellers Rank	#1,789 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #6 in Water Garden & Pond Treatment
Brand	CrystalClear
Brand Name	CrystalClear
Customer Reviews	4.1 out of 5 stars 4,073 Reviews
Included Components	CrystalClear Algae D-Solv - Registered Algaecide
Item Form	Liquid
Item Weight	1 Pounds
Liquid Volume	1 Gallons
Manufacturer	Airmax
Manufacturer Part Number	CC073-1G
Target Species	Fish
UPC	813166021259

Reviews

C**.

26.09.2023

P**L

30.04.2026

A**R

17.04.2026

V**J

16.06.2023

T**A

2.07.2021

M**W

30.04.2026

L**.

15.08.2023

Z**P

31.03.2026

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