wes.crockett Posted July 30 Share Posted July 30 Hey all, Working on migrating my 10g and 2.5g tanks to a new 35g cube. The cube will have a cave feature that sits about 4" tall so I need the substrate of the tank to be at least that deep. I'm OK with a deep substrate since the tank itself is so tall. I plan to have Fluval Stratum in the substrate as a layer, and I have about 35lbs of it (2 bags). That alone won't be tall enough, I think, so I plan to do some form of pebble/gravel/something on top of it, but not very deep. For a height-adding layer, what would you recommend UNDER the Stratum layer and, importantly, how thick would you go with the Stratum. My 2.5g planted tank is an algae nightmare and I believe it has a lot to do with the sheer amount of Stratum-to-water ratio since it also has the cave feature making the substrate height fairly high. 1 Link to comment Share on other sites More sharing options...
Fish Folk Posted July 31 Share Posted July 31 I’m an advocate for black Activ-Flora. Link to comment Share on other sites More sharing options...
Silverback Posted July 31 Share Posted July 31 When I'm looking to add some height I like using media bags filled with small lava rock bought from a home store. I use media bags that plant roots can easily grow into. I'll stack them on top of each other and then cover them with the media I'm using. If I ever break down the tank or change substrate I don't have to worry about them mixing. Link to comment Share on other sites More sharing options...
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