.amp{--teal:#0E7C93;--teal-d:#0A5E70;--aqua:#19b6cc;--gold-l:#e8b23a;--ink:#12333b;--muted:#5c7278;--line:#dce7e9;--wash:#f2f8f9;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:var(--ink);line-height:1.6;max-width:1000px}.amp *{box-sizing:border-box}.amp h2,.amp h3{line-height:1.15;margin:0}.amp .band{background:linear-gradient(135deg,var(--teal-d),var(--teal));color:#fff;border-radius:16px;padding:30px}.amp .band .ey{font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:#bfe9f1;font-weight:700}.amp .band h2{font-size:30px;margin:8px 0;color:#fff}.amp .band p{margin:0;max-width:60ch;color:#e6f6f9;font-size:15.5px}.amp .trust{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0 26px}.amp .trust span{font-size:12.5px;font-weight:600;background:var(--wash);border:1px solid var(--line);color:var(--teal-d);border-radius:30px;padding:7px 14px}.amp .fcs{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:0 0 26px}@media(max-width:760px){.amp .fcs{grid-template-columns:1fr 1fr}}.amp .fc{background:#fff;border:1px solid var(--line);border-radius:13px;padding:17px}.amp .fc .i{width:38px;height:38px;border-radius:10px;background:rgba(25,182,204,.12);color:var(--teal);display:flex;align-items:center;justify-content:center;margin-bottom:10px;font-size:18px;font-weight:800}.amp .fc h3{font-size:15px;margin-bottom:4px}.amp .fc p{margin:0;font-size:13px;color:var(--muted)}.amp .two{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin:0 0 26px}@media(max-width:760px){.amp .two{grid-template-columns:1fr}}.amp .panel{border:1px solid var(--line);border-radius:14px;overflow:hidden}.amp .panel .hd{background:var(--teal-d);color:#fff;font-weight:700;font-size:14px;padding:12px 18px}.amp table.ga{width:100%;border-collapse:collapse}.amp table.ga th,.amp table.ga td{padding:10px 16px;text-align:left;border-bottom:1px solid var(--line);font-size:14px}.amp table.ga th{background:var(--wash);color:var(--teal-d);font-weight:700}.amp table.ga td.num{font-variant-numeric:tabular-nums;font-weight:700}.amp .steps{padding:16px 18px}.amp .steps ol{margin:0;padding-left:20px}.amp .steps li{margin-bottom:9px;font-size:13.5px}.amp .note{background:var(--wash);border-left:3px solid var(--gold-l);border-radius:8px;padding:13px 16px;font-size:13px;color:var(--muted);margin:0 0 14px}.amp .note.flow{border-left-color:#c0432a;background:#fdf3f1}.amp .note b{color:var(--ink)}.amp .brand{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;background:linear-gradient(135deg,#06232b,#0a3743);border-radius:14px;padding:20px 24px}.amp .brand p{margin:0;color:#cfe6ea;font-size:14px}.amp .brand a{background:var(--aqua);color:#06232b;font-weight:700;font-size:13.5px;padding:11px 20px;border-radius:8px;text-decoration:none;white-space:nowrap} Aqua Meds · Koi & Goldfish Medication KoiRX Terminate A broad-spectrum treatment for the parasites that make koi flash, clamp and scratch — Costia, Ich, Chilodonella, Trichodina and Oodinium — with added control of fungal disease. Formulated to be gentler than comparable products and safe for use on scaleless koi. ✔ Costia · Ich · Chilodonella · Trichodina✔ Controls fungus✔ Safe for scaleless koi✔ 3-day protocol ✚ Broad parasite kill One treatment covers the most common protozoan parasites in koi ponds. ✽ Antifungal action Also knocks back the fungal infections that follow parasite damage. ◇ Gentler formula Less toxic actives than many alternatives — safe on scaleless varieties. ◎ Whole-pond Treats the entire pond so you don't have to catch and isolate fish. Dosage — 100 mL per 1,000 gallons Pond volume Terminate per dose 500 gallons 50 mL 1,000 gallons 100 mL 2,000 gallons 200 mL 5,000 gallons 500 mL 10,000 gallons 1,000 mL (1 L) How to treat Do a 25%+ water change and increase aeration. Remove carbon, turn off protein skimmer and UV — leave pump & filter running. Add 100 mL per 1,000 gallons of pond water. Re-treat daily for 3 days, with a 25% water change before each dose. Important: Do not use salt or any other medicated treatment while treating with Terminate. Never mix with untreated tap water. Do not use on ponds with invertebrates. Do not use if the product has been frozen or stored below 50°F. Coverage: 32 oz treats 3,200 gallons three times · 1 gallon treats 12,800 gallons three times. Store between 60–110°F. Directions per the Aqua Meds label. Guidance only — always test water first and call us if unsure. Part of the Aqua Meds koi-health line. Targeted formulas for parasites, water quality & pond biology. Shop all Aqua Meds →