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UGF/Heater System
Subject: Question on heater-driven UGF plate
> I understand some folks have had success obtaining substrate cir
> using a UGF plate with small heaters in the uplift tubes. Talki
> with my husband this morning, he wondered how you balance the ne
> heating the tank with use of these very small heaters - do you s
> larger heater going? How far above/below the little ones do you
> thermostat in order to both keep the tank at temperature AND all
> ones to do their substrate work?
Yes, you need a separate heater to heat the thank. The 7.5W
heaters will only keep a tank of about 2 1/2G warm! (BTW,
depending on the type of cable substrate heating you choose you
could need a normal heater for the tank too)
You set your TANK heater at whatever temperature you want the
water to be. The little heaters are non-thermostatic... they run
continually. With a single uplift tube/heater in a 20G tank, or 2
in a 55G tank you will see no appreciable change in temperature
when using this system... the heaters are just too small. If you
use a smaller tank, I'd keep an eye on it in warm weather, if you
use a larger tank, you might want to add more uplift
tubes/heaters.
Karen Randall
Aquatic Gardeners Assoc.
Boston, MA