diff --git a/Content.Shared/Chemistry/Components/Solution.cs b/Content.Shared/Chemistry/Components/Solution.cs
index 2179469c08..df09f7f3f6 100644
--- a/Content.Shared/Chemistry/Components/Solution.cs
+++ b/Content.Shared/Chemistry/Components/Solution.cs
@@ -302,7 +302,7 @@ namespace Content.Shared.Chemistry.Components
         /// If you only want the volume of a single reagent, use <see cref="GetReagentQuantity"/>
         /// </summary>
         [Pure]
-        public FixedPoint2 GetTotalPrototypeQuantity(params string[] prototypes)
+        public FixedPoint2 GetTotalPrototypeQuantity(params ProtoId<ReagentPrototype>[] prototypes)
         {
             var total = FixedPoint2.Zero;
             foreach (var (reagent, quantity) in Contents)
@@ -314,7 +314,7 @@ namespace Content.Shared.Chemistry.Components
             return total;
         }
 
-        public FixedPoint2 GetTotalPrototypeQuantity(string id)
+        public FixedPoint2 GetTotalPrototypeQuantity(ProtoId<ReagentPrototype> id)
         {
             var total = FixedPoint2.Zero;
             foreach (var (reagent, quantity) in Contents)
@@ -645,7 +645,7 @@ namespace Content.Shared.Chemistry.Components
         /// <summary>
         /// Splits a solution with only the specified reagent prototypes.
         /// </summary>
-        public Solution SplitSolutionWithOnly(FixedPoint2 toTake, params string[] includedPrototypes)
+        public Solution SplitSolutionWithOnly(FixedPoint2 toTake, params ProtoId<ReagentPrototype>[] includedPrototypes)
         {
             // First remove the non-included prototypes
             List<ReagentQuantity> excluded = new();
@@ -844,7 +844,7 @@ namespace Content.Shared.Chemistry.Components
             ValidateSolution();
         }
 
-        public Color GetColorWithout(IPrototypeManager? protoMan, params string[] without)
+        public Color GetColorWithout(IPrototypeManager? protoMan, params ProtoId<ReagentPrototype>[] without)
         {
             if (Volume == FixedPoint2.Zero)
             {
@@ -887,7 +887,7 @@ namespace Content.Shared.Chemistry.Components
             return GetColorWithout(protoMan);
         }
 
-        public Color GetColorWithOnly(IPrototypeManager? protoMan, params string[] included)
+        public Color GetColorWithOnly(IPrototypeManager? protoMan, params ProtoId<ReagentPrototype>[] included)
         {
             if (Volume == FixedPoint2.Zero)
             {
diff --git a/Content.Shared/Chemistry/EntitySystems/SharedSolutionContainerSystem.cs b/Content.Shared/Chemistry/EntitySystems/SharedSolutionContainerSystem.cs
index a245c0b606..cd38df021d 100644
--- a/Content.Shared/Chemistry/EntitySystems/SharedSolutionContainerSystem.cs
+++ b/Content.Shared/Chemistry/EntitySystems/SharedSolutionContainerSystem.cs
@@ -858,7 +858,7 @@ public abstract partial class SharedSolutionContainerSystem : EntitySystem
             args.PushMarkup(Loc.GetString(entity.Comp.LocPhysicalQuality,
                                         ("color", colorHex),
                                         ("desc", primary.LocalizedPhysicalDescription),
-                                        ("chemCount", solution.Contents.Count) ));
+                                        ("chemCount", solution.Contents.Count)));
 
             // Push the recognizable reagents
 
@@ -1048,7 +1048,7 @@ public abstract partial class SharedSolutionContainerSystem : EntitySystem
     public bool EnsureSolution(
         Entity<MetaDataComponent?> entity,
         string name,
-        [NotNullWhen(true)]out Solution? solution,
+        [NotNullWhen(true)] out Solution? solution,
         FixedPoint2 maxVol = default)
     {
         return EnsureSolution(entity, name, maxVol, null, out _, out solution);
@@ -1058,7 +1058,7 @@ public abstract partial class SharedSolutionContainerSystem : EntitySystem
         Entity<MetaDataComponent?> entity,
         string name,
         out bool existed,
-        [NotNullWhen(true)]out Solution? solution,
+        [NotNullWhen(true)] out Solution? solution,
         FixedPoint2 maxVol = default)
     {
         return EnsureSolution(entity, name, maxVol, null, out existed, out solution);
@@ -1240,13 +1240,13 @@ public abstract partial class SharedSolutionContainerSystem : EntitySystem
         }
         else
         {
-            dissolvedSol.RemoveReagent(reagent,amtChange);
+            dissolvedSol.RemoveReagent(reagent, amtChange);
         }
         UpdateChemicals(dissolvedSolution);
     }
 
     public FixedPoint2 GetReagentQuantityFromConcentration(Entity<SolutionComponent> dissolvedSolution,
-        FixedPoint2 volume,float concentration)
+        FixedPoint2 volume, float concentration)
     {
         var dissolvedSol = dissolvedSolution.Comp.Solution;
         if (volume == 0
diff --git a/Content.Shared/Chemistry/Reagent/ReagentPrototype.cs b/Content.Shared/Chemistry/Reagent/ReagentPrototype.cs
index 3b16b577cb..e634e03284 100644
--- a/Content.Shared/Chemistry/Reagent/ReagentPrototype.cs
+++ b/Content.Shared/Chemistry/Reagent/ReagentPrototype.cs
@@ -221,7 +221,7 @@ namespace Content.Shared.Chemistry.Reagent
             if (effect.EntityEffectGuidebookText(prototype, entSys) is not { } description)
                 return null;
 
-            var quantity = metabolism == null ? 0f : (double) (effect.MinScale * metabolism);
+            var quantity = metabolism == null ? 0f : (double)(effect.MinScale * metabolism);
 
             return Loc.GetString(
                 "guidebook-reagent-effect-description",
diff --git a/Content.Shared/Fluids/SharedPuddleSystem.Evaporation.cs b/Content.Shared/Fluids/SharedPuddleSystem.Evaporation.cs
index 9854560204..0ba1c15122 100644
--- a/Content.Shared/Fluids/SharedPuddleSystem.Evaporation.cs
+++ b/Content.Shared/Fluids/SharedPuddleSystem.Evaporation.cs
@@ -1,7 +1,9 @@
 using System.Linq;
 using Content.Shared.Chemistry.Components;
 using Content.Shared.FixedPoint;
+using Robust.Shared.Prototypes;
 using Content.Shared.Fluids.Components;
+using Content.Shared.Chemistry.Reagent;
 
 namespace Content.Shared.Fluids;
 
@@ -78,9 +80,9 @@ public abstract partial class SharedPuddleSystem
     }
 
 
-    public string[] GetEvaporatingReagents(Solution solution)
+    public ProtoId<ReagentPrototype>[] GetEvaporatingReagents(Solution solution)
     {
-        List<string> evaporatingReagents = [];
+        List<ProtoId<ReagentPrototype>> evaporatingReagents = [];
         foreach (var solProto in solution.GetReagentPrototypes(_prototypeManager).Keys)
         {
             if (solProto.EvaporationSpeed > FixedPoint2.Zero)
@@ -89,10 +91,10 @@ public abstract partial class SharedPuddleSystem
         return evaporatingReagents.ToArray();
     }
 
-    public string[] GetAbsorbentReagents(Solution solution)
+    public ProtoId<ReagentPrototype>[] GetAbsorbentReagents(Solution solution)
     {
-        List<string> absorbentReagents = [];
-        foreach (var solProto in solution.GetReagentPrototypes(_prototypeManager).Keys)
+        var absorbentReagents = new List<ProtoId<ReagentPrototype>>();
+        foreach (ReagentPrototype solProto in solution.GetReagentPrototypes(_prototypeManager).Keys)
         {
             if (solProto.Absorbent)
                 absorbentReagents.Add(solProto.ID);
@@ -109,9 +111,9 @@ public abstract partial class SharedPuddleSystem
     /// Gets a mapping of evaporating speed of the reagents within a solution.
     /// The speed at which a solution evaporates is the average of the speed of all evaporating reagents in it.
     /// </summary>
-    public Dictionary<string, FixedPoint2> GetEvaporationSpeeds(Solution solution)
+    public Dictionary<ProtoId<ReagentPrototype>, FixedPoint2> GetEvaporationSpeeds(Solution solution)
     {
-        Dictionary<string, FixedPoint2> evaporatingSpeeds = [];
+        Dictionary<ProtoId<ReagentPrototype>, FixedPoint2> evaporatingSpeeds = [];
         foreach (var solProto in solution.GetReagentPrototypes(_prototypeManager).Keys)
         {
             if (solProto.EvaporationSpeed > FixedPoint2.Zero)
diff --git a/Content.Shared/Fluids/SharedPuddleSystem.cs b/Content.Shared/Fluids/SharedPuddleSystem.cs
index a2ea262796..e81d1c9d11 100644
--- a/Content.Shared/Fluids/SharedPuddleSystem.cs
+++ b/Content.Shared/Fluids/SharedPuddleSystem.cs
@@ -42,7 +42,7 @@ public abstract partial class SharedPuddleSystem : EntitySystem
     [Dependency] private readonly StepTriggerSystem _stepTrigger = default!;
     [Dependency] private readonly TileFrictionController _tile = default!;
 
-    private string[] _standoutReagents = [];
+    private ProtoId<ReagentPrototype>[] _standoutReagents = [];
 
     /// <summary>
     /// The lowest threshold to be considered for puddle sprite states as well as slipperiness of a puddle.