Anyone can make a recipe. They're open-source. Take a look!

Official Recipes

Spa Marvel + Bromine: This is a recipe for Bromine spas using a natural sanitizer system, such as Spa Marvel. It assumes you want to keep trace bromine levels of around 0.75 ppm. This assumes that you're adding the spa m...
Default: Targeted at salt & chlorine pools, this plan takes 6 readings & uses calcium hypochlorite as the sanitizer.
Default dichlor: This is similar to the default recipe, but uses dichlor (dichloro-s-triazinetrione) as the sanitizer.

Community Recipes

Default (ringed_prior_388): Targeted at salt & chlorine pools, this plan takes 6 readings & uses calcium hypochlorite as the sanitizer.
SPA Dichlor (sardonic_print_756): This is similar to the default recipe, but uses dichlor (dichloro-s-triazinetrione) as the sanitizer.
Softub 300 Model (shady_break_334): This recipe is optimized for a Softub Model 300 spa
ESVF (ideal_solution_94): Targeted at salt & chlorine pools, this plan takes 6 readings & uses calcium hypochlorite as the sanitizer.
Phlvl (elated_green_390): Targeted at salt & chlorine pools, this plan takes 6 readings & uses calcium hypochlorite as the sanitizer.
Default + temperature (shoddy_habit_820): Targeted at salt & chlorine pools, this plan takes 6 readings & uses calcium hypochlorite as the sanitizer. It also includes a temperature reading, just for reference (it doesn't affect the recommen...
SPA 1800L Uv & Ozone + temperature (experimental) (boring_spot_965): Target for Spa 1800L with only UV & Ozone for sanitation. This is Experimental. Do not use if you don’t send water sample for testing. It also includes a temperature reading, just for reference (it ...
SPA 1800L Uv & Ozone & Sodium Bisulfate (experimental) (enraged_secret_755): Target for Spa 1800L with only UV & Ozone for sanitation. This is Experimental. Do not use if you don’t send water sample for testing. I created this fork to try & replace the muriatic acid with Sod...
Chris Au (severe_progress_840): Targeted at salt & chlorine pools, this plan takes 6 readings & uses calcium hypochlorite as the sanitizer.
Chris F (untidy_shift_164): Targeted at salt & chlorine pools, this plan takes 6 readings & uses calcium hypochlorite as the sanitizer.
Chris F2 (serene_extension_626): Targeted at salt & chlorine pools, this plan takes 6 readings & uses calcium hypochlorite as the sanitizer.
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