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I have a 20g tank with a 10 gallon sump. I plan on getting the Eshopps-PF-300-Overflow-Box. It is rated at 300 gph, so I wanted to see if I needed something to maintain at least 300gph to maintain the siphon. I am pretty new to this. Will a Eheim 1000 compact pump work? It is rated for 296...

When I first purchased this live rock these pink things were not on there. I think it may be some sort of coral. Any ideas? They are very small and hard.

Should I remove it or see what happens? I have been reading that keeping it could be ok. I have a pretty new system (2 months). I'll test the parameters and post in a few. 20 gallon with a skimmer. Power filter rated at 85 gallons. 425 GPh power head. 20 lbs live rock and 20 lbs live sand. Only...

So, I want to spend about $200 to upgrade my filtration on my 20g saltwater tank. I have a credit on Amazon, so whatever I get I need to get from that site. Here is my current setup: Home made coke bottle skimmer (wet skim and works for now) Tetra Whisper EX70 Power Filter Koralia Evolution...

Hello Forum! I wanted to say hello to everyone and say "thank you" in advance for any future advice. I started cycling a 20 gallon tank (standard) about 1 month ago. I have about 5 lbs crushed coral (on the bottom), 20lbs of live sand on top of that, and 15 lbs of live rock. It's an old...

Can someone help identify what these things are?