Seachem Alert Series Alert Combo, 1 Pack - (3-6 Month Alert) Dog Containment Systems Batteries Coop 'N Compost also helps

Coop 'N Compost also helps make the nutrients in your manure and compost more plant-accessible which can benefit your garden

Rotating pins that gently pull through the coat without damage

and allows quick removal for security purposes

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Seachem Alert Series Alert Combo, 1 Pack - (3-6 Month Alert) Dog Containment Systems Batteries Coop 'N Compost also helpsThe Seachem Alert Combo pack is a revolutionary way to keep tabs on your aquariums essential levels. This unique tester provides continuous pH and ammonia readings for up to 6 months, eliminating the need for strips and complicated tests. Continuous freshwater pH and ammonia readings No strips, no tests, just constant readings Up to 6 months of constant monitoring Alert Combo is easy to use: just place each reader somewhere visible in your aquarium,