2Hr Aquarist EI Estimative Index All in One Fertiliser chemipure Discus fishes require a high

Discus fishes require a high demand for Astaxanthin and other carotenoid for its colour development

which is ideal environment for beneficial bacteria to colonize

or in excess of 1

●Dual use of dilute sea water

2Hr Aquarist EI Estimative Index All in One Fertiliser chemipure Discus fishes require a highWith the 2HR Aquarist APT EI, the famous nutrient dosing approach pioneered by Tom Barr is now available in a ready to use concentrate that removes the guesswork from trying to recreate this powerful and sometimes elusive formula. An overview of the EI methodology can be found here. Dose 5ml per 100L 3 times per week or 2ml per 100L daily. EI aims to dose all nutrients in excess through heavily dousing the water column with nutrients. Levels are