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zigzag1 · 05/08/2012, 12:53 PM

10 seconds of kalk raise your pH that much? Possibly restrict your ATO pump, so it pumps it in slower? relocate your ATO inlet in a higher flow area of the sump, or add a power head to mix it better. An aqualifter is ideal for Kalk in that it pumps slower, and is cheaper too. And they can pump fully saturated Kalk for a year+ without ever needing cleaned.

Use your controller as your ATO. Hook your float switches to the switch ports, plug a aqualifter into the one of the controlled 120v outlets. Then there is no need for an outside ATO if you have a controller with switch ports, more precise control this way too. My ATO won't come on at all if the pH is to high.

05/08/2012, 12:53 PM	#19
zigzag1 Registered Member Join Date: Oct 2005 Location: Anderson, Indiana Posts: 1,276	10 seconds of kalk raise your pH that much? Possibly restrict your ATO pump, so it pumps it in slower? relocate your ATO inlet in a higher flow area of the sump, or add a power head to mix it better. An aqualifter is ideal for Kalk in that it pumps slower, and is cheaper too. And they can pump fully saturated Kalk for a year+ without ever needing cleaned. Use your controller as your ATO. Hook your float switches to the switch ports, plug a aqualifter into the one of the controlled 120v outlets. Then there is no need for an outside ATO if you have a controller with switch ports, more precise control this way too. My ATO won't come on at all if the pH is to high. __________________ :beer: Mixed Reef, started 10/2004: 6' BB 125g DT, 100lbs LR, 40g sump, Dual Ehiem 1000 returns, Eshopps dual overflow, JBJ ATO, Vertex IN-180, PM Ca reactor, 250w MH w/VHO Actinic, AC3 w/Aquasurf, Tunze 6105 pair & 40B frag tank 8 Fish, 20+ corals, shrimp, snails, worms, bugs, etc.