Judge my sump

[Neon_reefboi]

Its for my 45 corner mixed. Chaeto, mangrove and lava rock with a chocolate boi for some zuzh. Ceramic and carbon in the inlet jar

 

[lapin]

Nice

The lava rock has no heavy metals?

 

[Neon_reefboi]

Idk lol havent seen any negative effects and iv been using this sump since the beginning lol just many variations of the same materials