Which needs skimmer more

Jan 16, 2004
1,669
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Syracuse, NY
#1
Been really busy lately, and decided Im sabotaging my algae infested 30g freshwater and making it a fowlr. Im too poor to afford a skimmer at this time, and am running a prizm on my 29 reef and am wondering what tank it would be more useful to run the skimmer on until I can get another one or work something out. The 29 doesnt really produce alot of skimmate, and is only stocked with a purple firefish, peppermint shrimp, hermits, and snails, along with some corals. The 30 would just be substrate and rock for a while until its ready for life. Which would need the assistance of the prizm I currently have more?