SisterMaryElephant wrote:With some pumps you can just change the impeller and you have a needle wheel pump. Some people modify their impellers but I'd prefer to buy one designed that way. I wish I had a DO meter to test it though, I hate not knowing...
SisterMaryElephant wrote:There are other reasons to go with larger reservoirs too but you have to work with what you have until you're ready to redesign/rebuild. Either way you already have permission to go bigger on the chiller so you're in luck temp wise. Your plants will thank you. How are the roots looking now that temps are down a little, getting new growth yet?
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