Model # 71104
GLB® Algimycin® 2000 Algaecide – GLB71104
All-in-One Algaecide for Pools | Fast, Non-Foaming Formula
✅ Kills, Prevents & Controls All Types of Algae – No Metals, No Foam, No Staining
GLB® Algimycin® 2000 is the one algaecide that does it all. Whether you're battling green, yellow, or black algae, this advanced formula is designed to kill and control existing blooms and prevent future outbreaks. Its non-metallic, poly-complex formula works fast without staining pool surfaces or foaming—making it safe for all pool types, including liners.
Product Features
✅ Effective Against All Algae Types
➡️ Green, yellow (mustard), and black algae
➡️ Penetrates deeply with advanced wetting agents
✅ No Staining or Water Discoloration
➡️ Contains no copper or metals
➡️ Safe for vinyl liners and all pool surfaces
✅ Non-Foaming & Non-Irritating
➡️ Gentle on skin, eyes, and equipment
➡️ Ideal for use in any pool environment
✅ Built-In Clarifier & Filter Aid
➡️ Helps coagulate and remove dead algae quickly
➡️ Supports clearer water and better filtration
✅ Part of the No Algae. Guaranteed.™ Program
➡️ Combine with a GLB sanitizer and Oxy-Brite® shock oxidizer for season-long algae protection
Application Instructions
✅ To Prevent Algae (Initial Dose):
➡️ Add 8–12 oz. per 10,000 gallons
✅ Maintenance Dose (Weekly):
➡️ Add 4–8 oz. per 10,000 gallons
✅ To Treat Existing Green or Yellow Algae:
➡️ Add 16–24 oz. per 10,000 gallons
➡️ Dilute in a pail of water and distribute evenly
✅ To Treat Black Algae (Initial Dose):
➡️ Add 16 oz. per 10,000 gallons
➡️ Brush spots daily for best results
⚠️ For best results, apply on a warm, sunny morning and vacuum dead algae promptly.
Sizes Available
2 oz. sample
1 gallon jug
55 gallon drum (commercial use)
Compatibility
✅ Safe for use with:
➡️ Chlorine & bromine pools
➡️ Ozone systems
➡️ Saltwater pools
➡️ Biguanide sanitizers
Why Choose Algimycin® 2000?
✅ Replaces the need for multiple algaecides
✅ Protects against algae all season long
✅ Easy-to-use and highly effective
✅ Won’t cloud or discolor pool water
See more pool chemicals.
We just filled our pool, and it sat for a week and grew green algae because we took our sweet time buying this years chemicals. We purchased this product and added the amount needed to treat our visible algae. When are we able to shock our pool? The store we purchased from wasn't very informative and the product label says it is compatible with other chemicals but not sure if that means when doing maintenance or an actual treatment of existing algae?
Reply
Jen, You can shock treat the pool 6-8 hours after applying the product. You will want to shock the pool late in the afternoon or early evening.
Reply
The last 2 years my pool has opened very green [in ground, vinyl liner 15K gal haywood 1.5 pump and 1200 cartridge system] this takes a number of days running to clear up, prior to opening a ck under the cover reveals clean water but heavy algae on bottom, once running vacuming the bottom tends to cloud the water to green. Should I be adding a much larger dose of algeside prior to closing in the fall, my pool guy adds some chemical at closing but it is apparently not enough, mesh safety cover.
Reply
Walter, If you have a mesh cover, it will be difficult to open without algae. I would recommend speaking with your pool guy to see where he keeps the chemistry levels when he closes the pool and see if he can raise them higher.
Reply
I put Algimycin® 2000in one quart for 11000 gallons 24hrs I also put in 5 lbs of oxybrite 12 hours ago. I have 600lb sand filter with glass beads. water is now and aways is clear after pool brushing six hours and 18 hours later. I have some questions: 1. how long after using Algimycin® should I see less algae? How long after this treatment (assuming no changes) should I re-aply Algimycin®? Is a standard big pool brush capable of removing yellow algae or do I need to use a wire brush?
Reply
Hi, Mitch. Adding one quart for an 11,000 gallon pool is excessive. Also, oxybrite is a non-chlorine shock, you were to add a chlorine shock like the Super Charge Shock Oxidizer or Super Charge II. You should have seen progress within 12-24 hours. You will have to wait at least 3 days before adding another dose. A standard brush is capable of removing yellow algae from your pool's surface.
Reply
The Most Helpful Review
1 0
(5 out of 5 stars) Algimycin
Reviewed By: Nick H. from Brooklyn, NY ()
It works great for me in my chlorine free pool. Was shipped on time.
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The Most Recent Reviews
(4 out of 5 stars)
Reviewed By: Inyo Customer ()
Buy and use this yearly.
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(5 out of 5 stars) Algimyain 2000
Reviewed By: Vikki W. from Wisconsin ()
Pros: Slightly pricy
Cons: Works Magic
The best remover of stains in the world, I would recommend this product to ANYONE for pool staining problems. I was told to drain my pool and replace the liner until I found this a wonder product.
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(4 out of 5 stars) Great Algecide
Reviewed By: Roberta from White Plains, NY ()
Pros: Good for pink algae
The GLB product line was recommended by our pool care professional when other products were not performing well. This algaecide helps to curb all algae types.
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(5 out of 5 stars) Great Algicide
Reviewed By: darbal from Indiana ()
Pros: Deals with several types of algae.
Cons: A little expensive but worth it.
We had one year where we really struggled with algae in our above ground pool because I decided to try chemicals from a well known department store. Now we use Algimycin 2000 regularly and we no longer have a problem.
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1 0
(5 out of 5 stars) Best Algea deterrent ever!
Reviewed By: Tanya E. from Crossville, TN ()
Pros: perfect on algea
Cons: none
I bought some of this last year at a local store. I put in the initial dosage but did not do the weekly maintenance doses as directed. I probably put about 4 oz. in every 3 weeks or so on a 24 ft. round pool. This stuff is amazing, never had algae problems the whole summer. I paid 35.00 for 1 bottle so I got a great deal from this company! Definitley worth every penny. Works perfect with Baquacil!
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(5 out of 5 stars) Algymicin 2000
Reviewed By: darbal from Indiana ()
Pros: works on all common algaes
Cons: None
Best algaecide I have found. Works to prevent or to clear up algae problems
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