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Decision Guide

Do Grease Trap Enzymes Replace Pumping?

What additives actually do, what each local program allows, and why none of them remove the need to pump.

Updated

Grease Trap Cleaning Tampa doesn't sell additives as a substitute for pumping, and the local rules explain why. Grease trap enzymes, bacteria and emulsifiers don't remove solids, and some just break grease into droplets that set again in the sewer. The City of Tampa requires approval before any additive is used, and Clearwater bans emulsifiers outright.

What additives do

  • Emulsifiers and degreasers break grease into tiny droplets that pass through the trap. The grease isn’t gone; it sets again further down the sewer line, where it’s the City’s problem and eventually yours.
  • Enzymes speed up the breakdown of fats but don’t remove food solids.
  • Bacteria products digest some organic material. Results vary, and solids still accumulate.

None of them empties the trap, and the solids at the bottom are what trigger the outlet-invert rule in Tampa and Temple Terrace.

What each program allows

Program Rule on additives
City of Tampa Any chemical, enzyme, emulsifier, bacteria or grease cutter needs the grease inspector’s prior approval. The City may require a sampling port at your expense (Sec. 26-306(g))
Clearwater Emulsifiers, grease cutters and chemicals that cause pass-through banned. Live bacteria without enzymes or surfactants allowed with approval (Sec. 32.189)
Pasco County Additives not authorized without prior written approval, which can be withdrawn at any time (Sec. 110-174)
St. Petersburg No biological or emulsifying agents without written approval (FOG manual)

When an additive might help

Some kitchens use an approved bacteria product to cut odor or slow buildup between pump-outs. If you do, get the approval in writing first, keep pumping on your rule’s schedule, and record depths at each visit so you can see whether it’s making any difference. A product that lets grease pass through can raise the grease level in your wastewater, which is exactly what inspectors sample for.

The alternative that works

Keep grease out of the drain in the first place. St. Petersburg’s best-practice manual lists the basics: sink strainers, dry-wiping pots and plates, water under 140°F, and recycling used cooking oil. Then pump on a measured schedule. See grease trap maintenance plans and grease trap odor control.

Bottom line

Additives don't replace pumping. If you want to use one, get approval first where it's required, and keep pumping on your rule's schedule. To set that schedule, call (727) 476-9241.

Questions about this

Can enzymes let me pump my grease trap less often?

Not on their own. Your jurisdiction's limit (25%, 20% in Pasco, or Pinellas County's layer depths) still applies, and solids still build up. Measured depths decide the schedule, not the product label.

Are bacteria products allowed in Clearwater?

Live bacterial products without enzymes, surfactants, emulsifiers or solvents may be used with the city's approval, based on the product's formulation and safety data. Emulsifiers and grease cutters are banned.

What do I need to get an additive approved in Tampa?

Send the City the product's composition, how often you'll use it and how it works, with a written statement of its proposed use. The City may require a sampling port at your expense to show it works.
Call (727) 476-9241 · Talk to a person about your trap