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I'm sure you saw my other post on the water pressure required. Are they actually leaking, or are the birds just making a mess because the nipples are supplying too much water when triggered? I would think that they shouldn't leak even under a couple of feet of water column pressure. Actually, the higher pressure should help them to seal shut even better. It could be that there is debris starting to clog up the nipples allowing them not to seal properly, especially since you are collecting water from the roof and not filtering it. The valve is actually a small ball that sits on a machined seat. When the nipple is pushed to one side the top of the nipple unseats the ball and allows the water to flow down the nipple. Debris can collect between the ball and the seat, causing the ball to not seat properly.
We use commercially made nipple watering lines. It is recommended to filter the water. We have a 5 micron cartridge filter where the water enters the barn. They are also made so that the user can bypass the regulator and flush out the lines with regular water pressure. We turn a ball valve on the regulator which bypasses the regulator and the high pressure pushes open a spring loaded valve at the other end of the line which has a hose connected that exits the barn. Once a week I flush the lines to help blow out any debris, bio-film, and loose mineral deposits.
The homemade waterers work, but there are some nuances there that you have to deal with, such as varying water pressures and there being no easy way to clean the lines. If you think there is junk in the lines, you may just have to remove the nipples and tap on them and rinse them to get any debris out. While the nipples are out let the water run through your supply pipe to flush any debris.
Mac, the barrel has been filled with water from the hose for just one week. In fact the leaking started immediately on those 2 nipples. As I mentioned, the water is being filtered by a tight knit weave screen (like mosquito screening we all have on our home windows). There is no way for debris of any kind to get into the barrel. This system is only one week old, so no chance yet for anything to be breaking down in the water.
I see 2 of the nipples leaking directly from where the chickens drink. I think I also have the problem you describe in addition, where they are being messy. I may just have two bum nipples. Haven't tried to replace them yet, and I have two extras. I'm tempted to try the drinker cups and see what happens.
I'm sure you saw my other post on the water pressure required. Are they actually leaking, or are the birds just making a mess because the nipples are supplying too much water when triggered? I would think that they shouldn't leak even under a couple of feet of water column pressure. Actually, the higher pressure should help them to seal shut even better. It could be that there is debris starting to clog up the nipples allowing them not to seal properly, especially since you are collecting water from the roof and not filtering it. The valve is actually a small ball that sits on a machined seat. When the nipple is pushed to one side the top of the nipple unseats the ball and allows the water to flow down the nipple. Debris can collect between the ball and the seat, causing the ball to not seat properly.
We use commercially made nipple watering lines. It is recommended to filter the water. We have a 5 micron cartridge filter where the water enters the barn. They are also made so that the user can bypass the regulator and flush out the lines with regular water pressure. We turn a ball valve on the regulator which bypasses the regulator and the high pressure pushes open a spring loaded valve at the other end of the line which has a hose connected that exits the barn. Once a week I flush the lines to help blow out any debris, bio-film, and loose mineral deposits.
The homemade waterers work, but there are some nuances there that you have to deal with, such as varying water pressures and there being no easy way to clean the lines. If you think there is junk in the lines, you may just have to remove the nipples and tap on them and rinse them to get any debris out. While the nipples are out let the water run through your supply pipe to flush any debris.
Mac, the barrel has been filled with water from the hose for just one week. In fact the leaking started immediately on those 2 nipples. As I mentioned, the water is being filtered by a tight knit weave screen (like mosquito screening we all have on our home windows). There is no way for debris of any kind to get into the barrel. This system is only one week old, so no chance yet for anything to be breaking down in the water.
I see 2 of the nipples leaking directly from where the chickens drink. I think I also have the problem you describe in addition, where they are being messy. I may just have two bum nipples. Haven't tried to replace them yet, and I have two extras. I'm tempted to try the drinker cups and see what happens.