Here’s one we did recently for a local home’s existing tank, finished off by backfilled with coloured gravel and topped off with patio tiles. From the other side, only the top of the green treatment unit is visible.
Our septic tank installations and retrofits will blend discretely into the surroundings. Installations are always finished by tidying the area around soil and gravel around the tank. Ideally for planting some light shrubs and flowers around the area to finish