AmazonUIPageJS : P).when('goldboxDealDetailPage').execute(function(){ And if thats the case, youll be impressed by just how small these itty-bitty heaters are. Theres nothing really to do but stick it on the side of your tank and plug it in. .acx-grid{margin:0 -1.4rem}.acx-grid .acx-sc-grid-row{display:table-row}.acx-grid .acx-sc-grid-row:first-child .acx-sc-grid-cell{border-top:.1rem solid #EAEDED}.acx-grid .acx-sc-grid-row .acx-sc-grid-cell{width:50%;display:table-cell;border-bottom:.1rem solid #EAEDED;padding:1.4rem 1.4rem 1.4rem .9rem;margin-bottom:0}.acx-grid .acx-sc-grid-row .acx-sc-grid-cell:nth-child(odd){border-right:.1rem solid #EAEDED;padding-right:.8rem;padding-left:1.4rem}.acx-grid .acx-show-more-link{padding:0 1.4rem}.acx-grid .acx-sc-grid-one-asin-container{width:50%}.acx-grid .adaptivecx-sc-title{font-size:1.3rem;word-break:break-word}.acx-grid-full-screen-width{margin:0 -1.4rem 1.3rem}.similarities-widget.acx-similarities-widget.sims-carousel-holder{margin-top:2.1rem}.acx-sc-widget-cells{display:table;width:100%}.acx-grid-card-deck{margin:0 -1.4rem}.acx-grid-card-deck .acx-grid-card-view{padding-bottom:0}.similarities-widget.acx-similarities-widget.sims-carousel-holder{margin-top:0}.adaptivecx-sc-title.p13n-sc-line-clamp-1{max-height:17.55px}.adaptivecx-sc-title.p13n-sc-line-clamp-2{max-height:35.1px}.adaptivecx-sc-title.p13n-sc-line-clamp-3{max-height:52.65px}.adaptivecx-sc-title.p13n-sc-line-clamp-4{max-height:70.2px}.adaptivecx-sc-title.p13n-sc-line-clamp-5{max-height:87.75px}.adaptivecx-sc-title.p13n-sc-line-clamp-6{max-height:105.3px} Pretty sad. @media all and (orientation:landscape){#btf-sub-nav-tab{display:none}}.add-vertical-divider-to-left{border-left:1px solid #E3E2E2}.add-vertical-divider-to-right{border-right:1px solid #E3E2E2}#btf-sub-nav-tab{z-index:101;height:48px;box-shadow:0 1px 6px 0 rgba(32,33,36,.28);background:#fff;display:table;table-layout:fixed;color:#111;width:100%}#btf-sub-nav-tab.persistent-header{position:fixed;top:0;left:0}#btf-sub-nav-tab #btfSubNavTopTab{background:#f5f7f5;width:52px}#btf-sub-nav-tab #btfSubNavTopTab .v2-top-tab-content{padding:13px;background:#f1fffb}#btf-sub-nav-tab .sub-nav-tab{display:table-cell;text-align:center;vertical-align:middle;padding:0}#btf-sub-nav-tab .sub-nav-tab .tab-content{display:inline-flex;overflow:hidden;position:relative;flex-direction:column;height:48px;justify-content:center}#btf-sub-nav-tab .sub-nav-tab .top-tab-content{line-height:0}#btf-sub-nav-tab .sub-nav-tab.active{font-weight:700;padding-bottom:0}#btf-sub-nav-tab .sub-nav-tab.active .tab-content{color:#e55d16}#btf-sub-nav-tab .sub-nav-tab.active>::after{content:"";display:block;border-top:4px solid #e55d16;border-top-left-radius:4px;border-top-right-radius:4px;width:100%;position:absolute;bottom:0;left:0} Next up, you have the smallest aquarium heater currently available, At 3 inches long, this heater is impossibly small. #ddmZipCodeInput{-moz-appearance:textfield}#ddmZipCodeInput::-webkit-inner-spin-nutton,#ddmZipCodeInput::-webkit-outer-spin-button{-webkit-appearance:none;margin:0} Aqueon products offers a wide range of items so that you can build and maintain a healthy aquatic environment. if(!markerObj){ .acx-unified-loading-text{color:#767676;font-size:1.3rem;margin-top:1.3rem}.acx-static-list-buttons{margin-bottom:0}.acx-unified-widget-cells{display:table;width:100%} The Aqueon Mini Aquarium Heater is an energy-conserving and efficient 15 watt heater for small tanks between 4 - 10 gallons (20 - 40 liters). $6.20. However, the majority of the preset heaters designed specifically for small tanks operate a little differently they are always on and never shut off. 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