The smarter way to treat algae.Especially effective algae control for BBA, hair/string/fuzz and most forms of filamentous algae.Gently biodegrades completely. Spot-dose up to 1ml per 10L every 24 hours. Our Standard 300ml Pack comes with a calibrated spot-dosing pipette. 3% Epoxy Adelhydes the choice of award winning aquascapers Power meets intelligence.The best algae treatments ever. Above: single spot-dose of APT Fix. By Day 2, inactive BBA usually changes color to red and/or white. By Day 7, the leaf is now mostly free of algae. Above: single spot-dosage of APT Fix via the drain-dose method. By Day 2, hair-algae has lost some color. By Day 5, all the hair algae has been deactivated. This is an effective approach for removing algae on hardscape: wood and rocks. Avoid this method for plants. This is our usual approach to treat algae on plants. Always pause the filter during spot-dosing. If you have alot of areas to cover, you can exceed the 1ml per 10L limit. Spot-dose on affected areas, and perform a 50% water change after spot-dosing. Reviews There are no reviews yet. Be the first to review “2Hr Aquarist APT Fix|STARTER 100&STANDARD 300&200 ML&500 ML” Cancel replyYour email address will not be published. Required fields are marked *Your rating * Rate… Perfect Good Average Not that bad Very poor Your review *Name * Email * Save my name, email, and website in this browser for the next time I comment.