Existing live sand bed?

I have an existing 90 gal reef tank, that has a 6" live sand bed with plenum. The sand bed has been in use about 15 years now. I keep wondering if i’m better off with it or should i consider removing it? At the time, everyone was pushing for this method. I’m wondering if after this many...

Python 30 inch Gravel Tube

Overall Rating:   Total Customer Reviews: (1) Seller: Amazon Extended Length Gravel Tubes: For tall aquariums or convenient garden pond maintenance All gravel tubes are packaged with 2.5 ft. of tubing and a female connector

LEES GRAVEL SLIM VAC 12

Amazon Removing debris from the gravel bed is an important step in cleaning your aquarium. Gravel Vacuum Cleaners with a self start wide nozzle make the job much easier and help to avoid removing beneficial bacteria from the gravel bed. Wide nozzle cleans larger area using less water and time and cleans corn

Reborn – Coral Gravel for Calcium Reactor – 4 kg – 8.8 lb.

Overall Rating:   Total Customer Reviews: (0) Seller: Amazon Julian Sprung's Marine Aquarium Formula Calcium Reactor Media Sustainably harvested from fossilized coral beds in the Western Pacific Coarse size allows for unrestricted flow and easy CO2 diffusion unlike other medias Dissolves completely w

JBJ Instant Siphon Gravel Cleaner

Overall Rating:   Total Customer Reviews: (0) Seller: Amazon Instant Siphon Gravel Cleaner creates a siphon every time with on/off flow control valve. Features:Innovative Auto Siphon Pump.Creates an instant siphon every time.Integrated gravel/fish strainer.On/Off control valve.6' tubing included.Quick