Originally Posted by dapperdan
That Hellolights ARO 220 ballast is just a re-labled Advance or Magnetic ballast and only does 2 lamps but the A4 light 4 lamps. Not exactly comparing apples to apples. If you want a cheap ballast just visit your local electrical supply distributor. I'm not real...
I think you missed my point: I was saying that I am topping off using limewater through an auto top off system and it is working great. When I first started this thread a year ago there was some concern that the way I wanted to do it wouldn't work. I just was wanting to update the thread and say...
Just a little update:
I've been topping off with limewater using an auto top off system that uses an AquaLifter pump controlled by a floatswitch.
I have had absolutely no issues with pH fluctuations or precipitation. It has kept my Ca consistently around 400 and my alk around 3.5.