Yea that's the trouble with just the tubing. Normally we use a bulkhead fitting and fitted PVC pipes. Pipe would surely solve the problem of directing water from the base GB and on the outside to increase the water level. Silicone is…"
"I've heard of them scraping algae off surfaces but they are not going to be as good as a couple small plecos at keeping tank walls clean of surface algae. And it will depend on how hungry you keep them. Small tilapia have a powerful…"
"When we have time we will try to diagram that out to understand it better, we are thinking we are going to have to lower both outflow tubes which would be very hard to do but I am not sure the inside tube idea would be…"
"Hi George David,
I called you Tom earlier, so sorry. I can't remember my own name most days! I think I just replied to the wrong post.
I'm sorry that you haven't received much help on the forum. I hope I've…"
"it looks like you're attempting to violate the laws of the universe--unless there is some energy input that I'm not seeing.
No hamsters on wheels, or maybe catfish that are yoked in the fish tank and made to swim in circles, thus driving…"
Ok, thanks. Yes 1/2 inch would be fine. You can also put the coarser gravel to the bottom this will ensure more water movement there. You can use a length of the same tubing on the inside of the Gb's out flow. Make some slits about…"