decaying

Question: Am I dosing with too much Excel/Thrive? Plants in sudden decline the last week after dosing daily, algae still thriving off dead plant matter. CO2: No/Low tech Tank: Fluval Spec V (5 gallons) Planted: Moderately Substrate: ADA Aquasoil Filtration: Carbon, Sponge Light: 7500K LED (on...

I have read Diana Walstad's book and several posts on this forum. I set up my tank and am ready to add plants. I live in a small town with few plant choices, so I contacted one of the big freshwater plant suppliers to order some plants overnight. I told him my plan to use a soil substrate...