Substrate & Decor

Use a gravel vacuum to clean fish tank substrate with the right tube depth, flow control, and water-change pace.

Choose active aquasoil for root-heavy plants and softer water, or inert sand or fine gravel with root tabs for low-demand setups. Compare how each substrate affects plants, water, and upkeep.

Cheap DIY aquarium decor should be inert, smooth, and soaked before use. This page covers safe materials, simple shapes, and reject signs.

Live plants help with nitrate control and cover; artificial plants favor low upkeep and hard-water tanks. Compare safety, algae, and care needs.

Regular gravel works for many planted aquariums with root tabs and easy plants. Plant substrate is better for heavy root feeders and stronger root growth.

Yes, you can mix live and artificial plants in a freshwater aquarium if you place live growth where it gets light and use fake plants for structure.