If you are noticing an increase in the amount of foam in your tank, there are a few things you can do to help reduce it. First, check your filter media to make sure it is not clogged or dirty. A clogged or dirty filter will cause reduced water flow and increased foam production. Second, make sure you are not overfeeding your fish. Excess food can decompose and release ammonia into the water, which can lead to foaming. Lastly, avoid using harsh chemicals or cleaners in your tanks as these can also contribute to foaming. If you follow these tips, you should see a decrease in the amount of foam in your tank.