fish tank air pump, thermometer, water conditioner, test kit etc

fish tank air pump -asking for $20 (EcoPlus 728450 Eco Air1 Commercial Air Pump 1-18 Watt Single Outlet, 6 Valve Manifold For Aquarium)
https://www.amazon.com/EcoPlus-728450-Commercial-Aquarium-Hydroponics/dp/B002JLJC0W

thermometer -asking for $5/each (4 total, 2 brand-new)

water conditioner -asking for $5/each (10.5oz each, brand-new)
https://www.petmountain.com/product/seachem-equilibrium-mineral-balance-and-gh-water-treatment

prime conditioner 500 mL --asking for $5 (3/4 left)
https://www.petswarehouse.com/seachem-prime-500ml-17oz-l-b/

freshwater master test kit -asking for $15 (brand-new, original packing removed)
https://www.petco.com/shop/en/petcostore/product/api-freshwater-master-test-kit

Imagitarium Test Strips --asking for $4 (used ~7 strips)
https://www.petco.com/shop/en/petcostore/product/imagitarium-test-strips

Imagitarium isolation & Breeder Fish Tank --asking for $5
https://www.petco.com/shop/en/petcostore/product/imagitarium-isolation-and-breeder-fish-tank

Otohime Fish Diet -- asking for $30 or make an offer!
https://reedmariculture.com/product_otohime_fish_diet.php (1kg retail for $65)