If you don't want to make your own I went to our lfs and bought a container called "The Little Dripper" it is used for reptiles and such but can also be used for a drip. Then we just added a needle valve, mix your kalk and there you go.
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29gal Nano, 90 gal Bowfront started Dec 2007, Solaris I-4, ATI Bubblemaster, Red Dragon Pump.
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