Hey everyone this is my first post! I am making a reef tank with 3 tiers and its about 350 gallons. I have made a sump for the bottom out of three different tanks one is a 35 gallon type A sump, the next is a 30 gallon refugium with skimmer and the third is a half refugium 20 gallon. My question is is this sump system that i have big enough and is this a good idea to put 3 tanks like this instead of one big sump. Its expensive to buy one large like 55 gallon sump. I had all these tanks lying around so i just went ahead and used them.
Thanks!

I'm not sure but I do know the more complicated something is the more there is that can go wrong. Any of the 3 tanks has an issue that could have horrible consequences for everything.

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100G->African Cichlids:Kribensis-2,Bumblebee-2,Red Zebra-2,Elec. Yel. Labi.-2, Acei-2, Elec. Blu. Johanni-2,Peacocks-2 / Community: Australian Rainbow-3,Turquoise Rainbow-4,Dalmatian Mollies-2,white molly-1,Dojo Loaches-1/Cleaners:Chinese Algea Eaters-5/Murderers: Dinosaur Bichir-1And lots of other tanks,2-Gourims,6-Rams,1-Arrowanna,6-FW Flounder,1-Farlowella CF, 1-Spiney Eel

sound like you are doing good.

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fw leiden since 1979, fo salt since 1979, mixed reef 55g 2002-2009. Strong emphasis on the tank taking care of itself. Balanced with plant life, no water changes, tap water, no filters in FW. Only dosing calcium, alk, mag in marine reef tanks. http://www.aquariumforum.com/f15/my-...ods-26410.html
recent tanks (till 2009) 7 years- 10g FW leiden 7 yrs, 55g mixed reef 7, 2 yrs, 20g FW leiden, 10 g fw leiden , 29g mixed reef, current tank 55g leiden