As one of its daily deals, THAT Daily Deal offers the Kaos Tie-Not Water Balloon Filler for $5.99. Coupon code "KAOSCRAZY8" cuts it to $5.51. With free shipping, that's a few cents under our mention from last month and the lowest total price we could find by $3, outside of the prices below. This balloon filling tool attaches to any garden hose and features a tie and twisting mechanism. It includes 50 biodegradable balloons. Deal ends July 26.
Close prices: Woof! Woof! via Amazon and PS Traders via Amazon charge $5.85 and Pretendtimetoys via Amazon and NJ Wholesaler via Amazon charge $5.90, each with free shipping for Prime members.