Livesand +Dry/dead sand

[Andy16]

Ill make it quick since this should be an easy question. Heres the deal:

I currently have 20 pounds of livesand in my 20 gallon tank. This isnt enough IMO. So what i was thinking about doing is using dry sand instead of more livesand. I have two concerns.

1.There is a lot of algae on the sand since the tank is in the cycling stages. If i put the sand over it will it die and rot and cause problems with the water quality?

2. The live sand is already in the tank. If i put the other sand ON TOP of the live sand will it kill the bacteria living inside it? (from no light or no heat)

[Gealcath]

The bacteria dont require light or heat, they require oxygen, ammonia in terms of the bacteria on the surface. All you need to do is get some of the "dead" sand and mix it in with the live sand rather then putting it over the top.

[Andy16]

The sand looks great. Now the sand bed is really deep. The sand is SUPER fine though. I got it from Destin, Florida.