Background: my 70+30 gal planted goldies tank, 4*32W T8, no CO2, redone 2-3 months ago with 2 dozen small plants (Java ferns, Vals, Swords, Crypts, Anubias, Cabomba, Bacopa, Hornwort, Apongenton) - the tank is rather sparse while waiting for the plants to grow.
Dosing a variation of EI -...