ii) All area almost covered with the fertilizer.
iii) Started to fill in ADA Aqua Soil - Amazonia II.
iv) Slowly put in the soil and do not disturb the base fertilizer.
v) Double checked anywhere hasn't covered with the soil or too thin layer, because when the time fill up with water will cause some soil floating.
vi) Ready to put some water.
vii) Completed the first step with low level of water & added some beneficial bacteria to grow for few days.
viii) This is the 4" old fan just cleaned it for this setup.