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The best type of fertilizer depends on the type of grass and your desired end result. Generally speaking, slow-release fertilizers are best for grass, as they gradually release nutrients into your soil instead of all at once, which meets the needs of many grass types. However, the tradeoff is that slow-release fertilizers contain phosphorus, which negatively impacts local water quality. Also, some grasses require different formulations to meet the demands of the soil. Test your soil to see how acidic or alkaline it is before choosing a fertilizer. 

Too much clover in your lawn can indicate several issues with your soil. Clover can thrive in soils with abnormally high pH, low-cut grass, and low nitrogen. Amending these issues can push clover out for good.

Hardy perennial clover loves the low nitrogen and compact conditions that often come with poor, infertile soils. But other factors also contribute to a clover explosion, including drought conditions, cool temperatures, under fertilization, and over-irrigation. You’ll need to evaluate all these elements when planning to kill off the clover.

A quick search online may recommend that you give your dog apple cider vinegar to help decrease the pH level of your dog’s urine. This method won’t help your yard, though. Most turf grasses thrive on slightly acidic soil, so apple cider vinegar won’t make much of a difference. 

The main cause of grass death by dog urine isn’t the pH level anyway—it’s usually the excessive amount of nitrogen that kills your grass.

A typical schedule may involve four to six treatments annually, but needs vary based on lawn conditions, weather, and maintenance goals.