I've had my big tank up and running for a few weeks now, but just added my fish in last week and moved my controller over. A couple days ago I came home to the sound of my ATO running even though the 5 gallon bucket that my top off water is stored in was empty, my skimmer had overflowed 5+ gallons. So I backed the skimmer down a touch to keep it from overflowing, but now it doesn't seem to be skimming much if at all... I don't know if this is because the tank just isn't that dirty yet, or what the deal is... but that is another problem for another thread...
After fixing the skimmer so its not overflowing I'm still having problems with the ATO. I am running a single float switch that is connected to my apex to turn the ATO pump on when it drops down. The issue that I am encountering is that there seems to be quite a bit of change in water amount in the section of my tank where the ATO goes. My system is a 240 gallon tank which drains in to a 75 gal which contains about 15" of water (56 gallons?) via a 1.5" drain line. The sump has a triple baffle (over/under/over) to split the tank for my skimmer section and my frag tank section, then from the 75 gal it drains to a 40B via two 1" drains. THe 40b has a single baffle in it to make just a small area where my return pump and ATO sensor are located at. There is someplace between 5 to 10 gallons of water in the return section when it is what I consider "full". I haven't measured how much difference there is yet, but I have a couple of marks on the tank for my high and low marks that I was trying to keep the water between before I had my ATO on the tank to keep from running the return pump without enough water, or from getting too full so if the pumps shut off it won't flood the tanks. My ATO sensor fills the tank up until it is about midway between these two marks. Tonight I was sitting there after turning the ATO on (not letting it run all the time due to the flood the other day until I have a good feeling that everything is working right..) the ATO tops off until the float sensor shuts it off, then within about a minute the water level has dropped far enough that it turns the float sensor back on. I'm not sure what I need to do to fix this...
I'm assuming this is something to do with my plumbing? Maybe air stuck in the drain pipe from the DT to the sump? The water level in the DT doesn't appear to change much if at all (hard to tell for sure due to the waves), but I have noticed that the water level in the sump does change a bit from time to time, some times it is a bit high and completely covers the two 1" drains, sometimes it is lower half way down the drain or so (they are drilled in the side of the tank). Does this sound like an air lock issue where water isn't getting from the DT to the sump at the same rate all the time? Maybe I should put a vent pipe on the drain from the DT to the sump to help eliminate any air that might make its way down the pipe? The overflow from the DT is just an open stand pipe.... what do you guys think? This is my first time really dealing with overflows/sumps/etc.
After fixing the skimmer so its not overflowing I'm still having problems with the ATO. I am running a single float switch that is connected to my apex to turn the ATO pump on when it drops down. The issue that I am encountering is that there seems to be quite a bit of change in water amount in the section of my tank where the ATO goes. My system is a 240 gallon tank which drains in to a 75 gal which contains about 15" of water (56 gallons?) via a 1.5" drain line. The sump has a triple baffle (over/under/over) to split the tank for my skimmer section and my frag tank section, then from the 75 gal it drains to a 40B via two 1" drains. THe 40b has a single baffle in it to make just a small area where my return pump and ATO sensor are located at. There is someplace between 5 to 10 gallons of water in the return section when it is what I consider "full". I haven't measured how much difference there is yet, but I have a couple of marks on the tank for my high and low marks that I was trying to keep the water between before I had my ATO on the tank to keep from running the return pump without enough water, or from getting too full so if the pumps shut off it won't flood the tanks. My ATO sensor fills the tank up until it is about midway between these two marks. Tonight I was sitting there after turning the ATO on (not letting it run all the time due to the flood the other day until I have a good feeling that everything is working right..) the ATO tops off until the float sensor shuts it off, then within about a minute the water level has dropped far enough that it turns the float sensor back on. I'm not sure what I need to do to fix this...
I'm assuming this is something to do with my plumbing? Maybe air stuck in the drain pipe from the DT to the sump? The water level in the DT doesn't appear to change much if at all (hard to tell for sure due to the waves), but I have noticed that the water level in the sump does change a bit from time to time, some times it is a bit high and completely covers the two 1" drains, sometimes it is lower half way down the drain or so (they are drilled in the side of the tank). Does this sound like an air lock issue where water isn't getting from the DT to the sump at the same rate all the time? Maybe I should put a vent pipe on the drain from the DT to the sump to help eliminate any air that might make its way down the pipe? The overflow from the DT is just an open stand pipe.... what do you guys think? This is my first time really dealing with overflows/sumps/etc.
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