As of Mekanism 9.7.0 it is now possible to view all recipe strings of the Chemical Crystallizer through the command /ct mekrecipes crystallizer

ZenScript
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mods.mekanism.chemical.crystallizer.addRecipe(IGasStack inputGas, IItemStack outputStack);

mods.mekanism.chemical.crystallizer.addRecipe(<gas:water>, <minecraft:ice>);

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mods.mekanism.chemical.crystallizer.removeRecipe(IIngredient outputStack, @Optional IIngredient inputGas);

mods.mekanism.chemical.crystallizer.removeRecipe(<mekanism:otherdust:4>, <gas:lithium>);
mods.mekanism.chemical.crystallizer.removeRecipe(<mekanism:crystal:1>);

Specifying an input parameter will only remove the specific recipe that uses said input. Omitting the input parameter will remove all recipes that produce the specified output.

As of Mekanism 9.7.0 it is now possible to remove all Chemical Crystallizer recipes. (This excludes any recipes added via CraftTweaker)

ZenScript
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mods.mekanism.chemical.crystallizer.removeAllRecipes();