I ordered a new Iwaki pump and plumping for less flow and 4 new T5 bulbs. I Bought 1 6000K, 2 11000K, and 1 420mn bulb
For the Substrate I need to order Eco-Complete. For a 40G tank how many bags do I need?
What is the preferred test kit for freshwater?
Do I need additive / fertilizer in the...