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

Product ID: 66837404

Details

Brand
CrystalClear
Item Form
Liquid
Item Weight
16 ounces
Liquid Volume
16 fluid
Number of Packs
1

⚡Fast-acting formula

🌿Copper-free, safe for koi & plants

💧16 oz treats up to 5,760 gallons

€ 52.07

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Description

💦 CrystalClear Algae D-Solv: Because your pond deserves a glow-up!

VERSATILE USE - Perfect for ponds, fountains, water gardens, and aquariums alike
ECO SAFE FORMULA - Protect your koi and ornamental plants with copper-free treatment 🌿
MASSIVE COVERAGE - One bottle treats up to 5,760 gallons—less hassle, more clarity 💧
EFFORTLESS MAINTENANCE - Simple dosing keeps algae at bay without draining or scrubbing
RAPID ALGAE ERADICATION - Clear your pond fast with broad-spectrum algae control ⚡

CrystalClear Algae D-Solv is a fast-acting, EPA-registered algaecide designed to eliminate various algae types in ponds and fountains. Its copper-free formula ensures safety for koi fish and ornamental plants, treating up to 5,760 gallons per 16 oz bottle. Ideal for easy, ongoing algae control without draining or scrubbing, it’s the go-to solution for maintaining crystal-clear water in diverse aquatic environments.

Specifications

ASIN	B01N3UW3OR
Best Sellers Rank	#2,869 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #7 in Water Garden & Pond Treatment
Brand Name	CrystalClear
Customer Reviews	4.0 4.0 out of 5 stars (4,295)
Included Components	CrystalClear Algae D-Solv - Registered Algaecide
Item Form	Liquid
Item Highlight	Fast-Acting algae control for fountains & outdoor ponds containing koi & other fish, 16 oz treats 5,760 gallons.
Item Weight	16 ounces
Liquid Volume	16 fluid ounces
Manufacturer	Airmax
Manufacturer Part Number	CC073-16
Model Number	CC073-16
Number of Items	1
Number of Packs	1
Pet Type	Fish
Target Species	Fish
UPC	813166021228
Unit Count	16 Fluid Ounces

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€ 52.07

Duties & taxes included

In stock

Sold byAmazon SpainDelivered 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 Spain.

Secure transaction

ProDesertcart PRO

Fast, free shipping, member pricing & priority support.

Join PRO →

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TrustScore 4.5 | 7,300+ reviews

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