There are a lot of factors involved in keeping koi healthy. One of the most important variables that will keep the fish healthy is maintaining the water’s pH level between 7 .2 and 8.5. Generally, a lower pH is what most koi pond owners are worried about because it can kill fish within days. Although koi can tolerate a slightly higher pH, some will also react negatively when the level is too high. Making the water less alkaline and more suitable for koi is possible using the Microbe-Lift pH Decrease. Everything Koi has it along with other products that can safely adjust the water’s pH levels. Key Features of Microbe-Lift pH Decrease Microbe-Lift pH Decrease can safely bring down the pH level faster compared to other products. It also has the following features that are also beneficial to the koi: Formulated Using Deionized Water Has 3 Electrolytes That Aids In Maintaining Osmotic Balance Gentle Yet Effective Has A Slime Coat Formula To Add Skin Protection Contains Chelating Agent That Is Meant To Eliminate Metal Traces Not Toxic To Fish And Plants