Formulation evidence record
Seachem Focus
Medication binder for medicated food · US formulation
Shrimp
Amano, cherry, crystal and other freshwater shrimp.
Snails
Nerite, mystery, ramshorn and other aquarium snails.
Live plants
Rooted and floating live aquarium plants.
Not addressed by the manufacturer for: scaleless fish, marine invertebrates, biological filter. No statement was found, so no verdict is given — that is not a clearance.
Why FishyMag says this
The manufacturer's own wording, quoted rather than paraphrased, so you can judge it yourself.
Shrimp
CautionFocus is not really a treatment — it binds other medications to food so they are eaten rather than dosed into the water. Seachem frames this as the way to protect delicate invertebrates from medication, which makes it the most useful entry in this database for a shrimp keeper whose fish need treating. But Seachem does not certify Focus itself as invertebrate safe, so this is a strategy, not a clearance.
“Using a medicated food mix will prevent damage to delicate plants or invertebrates from medication.”
manufacturer page · seachem.com · checked August 16, 2026
Snails
No evidence foundSeachem does not address snails specifically for this product.
No manufacturer statement was found for this group. That is not the same as a clearance — treat it as unconfirmed and ask the manufacturer before dosing.
Live plants
CautionSame reasoning: Seachem presents food-bound dosing as a way to avoid damaging delicate plants, without certifying Focus itself as plant safe.
“Using a medicated food mix will prevent damage to delicate plants or invertebrates from medication.”
manufacturer page · seachem.com · checked August 16, 2026
Check the evidence boundary
What this record can—and cannot—answer
US formulation · label revision: not recorded · version: not recorded.
Match the label and concentration on your bottle before using a dose ratio.
Snails, Scaleless fish, Marine invertebrates, Biological filter
Missing evidence is not a compatibility finding.
No specific interaction warning is recorded here. This is not a complete interaction review or permission to combine treatments.
Formulation record checked August 16, 2026. Source dates can differ within the record. A dated check is not a guarantee that the label has stayed unchanged.
Product details
- Manufacturer states it treats
- Binding other medications to food, Internal bacterial infections
- Chemical filtration
- Not stated by the manufacturer
- Ingredients as stated
- Polymer bound nitrofurantoin (0.1%).
- Active ingredients
- Nitrofurantoin
manufacturer page · seachem.com · checked August 16, 2026
Record last checked August 16, 2026 · confidence medium
Check against your tank
Change what is in your tank to see how the answer moves.
The biological filter is included in every non-empty tank check, alongside your selected groups.
Medication binder for medicated food · US formulation
Qualifications or unresolved cautions.
The manufacturer stops short of clearing this for something in your tank. Read the detail below before you dose.
This answers for the assumed selection above, not a tank you have described. Adjust it if it is not yours.
- ShrimpCaution
Focus is not really a treatment — it binds other medications to food so they are eaten rather than dosed into the water. Seachem frames this as the way to protect delicate invertebrates from medication, which makes it the most useful entry in this database for a shrimp keeper whose fish need treating. But Seachem does not certify Focus itself as invertebrate safe, so this is a strategy, not a clearance.
- SnailsNo evidence found
Seachem does not address snails specifically for this product.
- Live plantsCaution
Same reasoning: Seachem presents food-bound dosing as a way to avoid damaging delicate plants, without certifying Focus itself as plant safe.
- Biological filterNo evidence found
No statement from the manufacturer was found for this group. Treat it as unconfirmed and check with the manufacturer before dosing.
See the manufacturer’s exact wording and sources for Seachem Focus →
No evidence found means no manufacturer statement was found — not that the product is safe. FishyMag does not diagnose disease or recommend treatments.
Other treatments
Next steps
FishyMag reports what manufacturers say, quoted and linked. It does not diagnose illness or recommend a treatment, and it never infers that a product is safe from the absence of a warning — where no statement exists, it says so.
Formulations change. Always read the label on the bottle in your hand, and contact the manufacturer if your tank contains anything valuable or unusual.